Pack n unit items (circles, or regular polygons, tans, dominoes and L's allowed to rotate) in the smallest container: circle, triangle, square, pentagon, hexagon, octagon, tan, domino, or the L (a 2x2 square with one corner unit square removed; the page lists its long side). Validated with exact decimal predicates and no overlap tolerance; the beaten circle-in-L cases were also checked in exact rational arithmetic by two independently written checkers.









| Problem | n | Listed on the page | Our certified value | Margin | Margin % | Status | Listed by |
|---|---|---|---|---|---|---|---|
| Circles in a circle | 2 | r = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Circles in a circle | 3 | r = 1 + 2 / √3 = 2.154+ | 2.154700539 | −8.62e-10 | -0.000 | reproduced | |
| Circles in a circle | 4 | r = 1 + √2 = 2.414+ | 2.414213563 | −9.66e-10 | -0.000 | reproduced | |
| Circles in a circle | 12 | r = 4.029+ | 4.029601932 | −6.02e-04 | -0.015 | reproduced | Found by Kravitz in 1967. |
| Circles in a circle | 14 | r = 4.328+ | 4.328428557 | −4.29e-04 | -0.010 | reproduced | Found by Goldberg in 1971. |
| Circles in a circle | 15 | r = 4.521+ | 4.521356967 | −3.57e-04 | -0.008 | reproduced | Found by Kravitz in 1967. |
| Circles in a circle | 16 | r = 4.615+ | 4.615425597 | −4.26e-04 | -0.009 | reproduced | Found by Goldberg in 1971. |
| Circles in a circle | 17 | r = 4.792+ | 4.792033750 | −3.38e-05 | -0.001 | reproduced | Found by Reis in 1975. |
| Circles in a circle | 18 | r = 1 + √2 + √6 = 4.863+ | 4.863703307 | −1.95e-09 | -0.000 | reproduced | Found by Kravitz in 1967. |
| Circles in a circle | 20 | r = 5.122+ | 5.122320739 | −3.21e-04 | -0.006 | reproduced | Found by Goldberg in 1971. |
| Circles in a hexagon | 2 | s = 1 + 2/√3 = 2.154+ | 2.154700539 | −8.62e-10 | -0.000 | reproduced | |
| Circles in a hexagon | 3 | s = 4/√3 = 2.309+ | 2.309401078 | −9.24e-10 | -0.000 | reproduced | |
| Circles in a hexagon | 4 | s = 2/√3 + 4/√7 = 2.666+ | 2.666558431 | −1.07e-09 | -0.000 | reproduced | Found by Shahriar Manzoor in April 2002. |
| Circles in a hexagon | 5 | s = 2.999+ | 2.999355401 | −3.55e-04 | -0.012 | reproduced | Found by Erich Friedman in 1999. |
| Circles in a hexagon | 6 | s = 2 + 2/√3 = 3.154+ | 3.154700540 | −1.26e-09 | -0.000 | reproduced | |
| Circles in a hexagon | 7 | s = 2 + 2/√3 = 3.154+ | 3.154700540 | −1.26e-09 | -0.000 | reproduced | |
| Circles in a hexagon | 8 | s = 3.709+ | 3.709400096 | −4.00e-04 | -0.011 | reproduced | Found by David W. Cantrell in July 2002. |
| Circles in a hexagon | 9 | s = 20/7 + 2/√3 = 4.011+ | 4.011843397 | −1.60e-09 | -0.000 | reproduced | Found by David W. Cantrell in July 2002. |
| Circles in a hexagon | 10 | s = 4.119+ | 4.119357181 | −3.57e-04 | -0.009 | reproduced | Found by David W. Cantrell in July 2002. |
| Circles in a hexagon | 11 | s = 2 + 4/√3 = 4.309+ | 4.309401078 | −1.72e-09 | -0.000 | reproduced | Found by Erich Friedman in 1999. |
| Circles in a hexagon | 12 | s = 2 + 4/√3 = 4.309+ | 4.309401078 | −1.72e-09 | -0.000 | reproduced | Found by Erich Friedman in 1999. |
| Circles in a hexagon | 13 | s = 8/√3 = 4.618+ | 4.618802155 | −1.85e-09 | -0.000 | reproduced | Found by Erich Friedman in 1999. |
| Circles in a hexagon | 14 | s = 2 + 2/√3 + 4/√7 = 4.666+ | 4.666558432 | −1.87e-09 | -0.000 | reproduced | Found by David W. Cantrell in July 2002. |
| Circles in a hexagon | 15 | s = 4.961+ | 4.961321279 | −3.21e-04 | -0.006 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in a hexagon | 16 | s = 4.999+ | 4.999355401 | −3.55e-04 | -0.007 | reproduced | Found by David W. Cantrell in July 2002. |
| Circles in a hexagon | 17 | s = 5.133+ | 5.133119426 | −1.19e-04 | -0.002 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in a hexagon | 18 | s = 4 + 2/√3 = 5.154+ | 5.154700540 | −1.55e-09 | -0.000 | reproduced | |
| Circles in a hexagon | 19 | s = 4 + 2/√3 = 5.154+ | 5.154700540 | −1.55e-09 | -0.000 | reproduced | |
| Circles in a hexagon | 20 | s = 5.676+ | 5.676887318 | −8.87e-04 | -0.016 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a hexagon | 21 | s = 5.709+ | 5.709400097 | −4.00e-04 | -0.007 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a hexagon | 22 | s = 5.952+ | 5.951749794 | +2.50e-04 | 0.004 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a hexagon | 23 | s = 34/7 + 2/√3 = 6.011+ | 6.011843397 | −1.80e-09 | -0.000 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a hexagon | 24 | s = 6.117+ | 6.117620861 | −6.21e-04 | -0.010 | reproduced | Found by Rob Pratt in March 2020. |
| Circles in a pentagon | 2 | s = 2tan(36°) + √5 - 1 s = 2.689+ | 2.689153035 | −1.53e-04 | -0.006 | reproduced | |
| Circles in a pentagon | 3 | s = 3.015+ | 3.015862479 | −8.62e-04 | -0.029 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 4 | s = 3.314+ | 3.314449566 | −4.50e-04 | -0.014 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 5 | s = 2tan(36°) + 2 s = 3.453+ | 3.453085057 | −8.51e-05 | -0.002 | reproduced | |
| Circles in a pentagon | 6 | s = 2tan(36°) + 4sin(36°) s = 3.804+ | 3.804226067 | −2.26e-04 | -0.006 | reproduced | |
| Circles in a pentagon | 7 | s = 4.236+ | 4.236120738 | −1.21e-04 | -0.003 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 8 | s = 4.564+ | 4.564580947 | −5.81e-04 | -0.013 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 9 | s = 4.825+ | 4.825026360 | −2.64e-05 | -0.001 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 10 | s = 5.095+ | 5.095192535 | −1.93e-04 | -0.004 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 11 | s = 5.240+ | 5.240278496 | −2.78e-04 | -0.005 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a pentagon | 12 | s = 5.407+ | 5.407790091 | −7.90e-04 | -0.015 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 13 | s = 5.651+ | 5.651781418 | −7.81e-04 | -0.014 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 14 | s = 5.808+ | 5.808533027 | −5.33e-04 | -0.009 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 15 | s = 5.945+ | 5.945158606 | −1.59e-04 | -0.003 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 16 | s = 6.129+ | 6.129607483 | −6.07e-04 | -0.010 | reproduced | Found by George Sicherman in July 2012. |
| Circles in a pentagon | 17 | s = 6.419+ | 6.419436755 | −4.37e-04 | -0.007 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a pentagon | 18 | s = 6.586+ | 6.586813631 | −8.14e-04 | -0.012 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a pentagon | 19 | s = 6.777+ | 6.777892052 | −8.92e-04 | -0.013 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a pentagon | 20 | s = 6.944+ | 6.944556888 | −5.57e-04 | -0.008 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a pentagon | 21 | s = 7.107+ | 7.107266889 | −2.67e-04 | -0.004 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a pentagon | 22 | s = 7.271+ | 7.271271706 | −2.72e-04 | -0.004 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a pentagon | 23 | s = 7.397+ | 7.397090335 | −9.03e-05 | -0.001 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a pentagon | 24 | s = 7.534+ | 7.534389921 | −3.90e-04 | -0.005 | reproduced | Found by David W. Cantrell in July 2012. |
| Circles in a square | 2 | s = 2 + √2 = 3.414+ | 3.414213564 | −1.37e-09 | -0.000 | reproduced | |
| Circles in a square | 3 | s = 2 + 1/√2 + √6/2 = 3.931+ | 3.931851654 | −1.57e-09 | -0.000 | reproduced | |
| Circles in a square | 4 | s = 4 | 4.000000002 | −1.60e-09 | -0.000 | reproduced | |
| Circles in a square | 5 | s = 2 + 2√2 = 4.828+ | 4.828427127 | −1.93e-09 | -0.000 | reproduced | |
| Circles in a tan | 8 | s = 2 + 3√2 + √6 = 8.692+ | 8.692130433 | −3.48e-09 | -0.000 | reproduced | Found by Hans Melissen in 1997. |
| Circles in a tan | 9 | s = 2 + 5√2 = 9.071+ | 9.071067815 | −3.63e-09 | -0.000 | reproduced | |
| Circles in a tan | 10 | s = 8 + √2 = 9.414+ | 9.414213566 | −3.77e-09 | -0.000 | reproduced | |
| Circles in a tan | 11 | s = 5 + √(2/3) + 3√2 = 10.059+ | 10.059137272 | −4.02e-09 | -0.000 | reproduced | Found by David W. Cantrell in June 2005. |
| Circles in a tan | 12 | s = 10.422+ | 10.422815211 | −8.15e-04 | -0.008 | reproduced | Found by David W. Cantrell in June 2005. |
| Circles in a tan | 13 | s = 10.798+ | 10.798666393 | −6.66e-04 | -0.006 | reproduced | Found by Hans Melissen in 1997. |
| Circles in a tan | 14 | s = 2 + 3√2 + 2√6 = 11.141+ | 11.141620177 | −4.46e-09 | -0.000 | reproduced | Found by Erich Friedman in April 2005. |
| Circles in a tan | 15 | s = 10 + √2 = 11.414+ | 11.414213565 | −3.02e-09 | -0.000 | reproduced | |
| Circles in a tan | 16 | s = 11.892+ | 11.891982511 | +1.75e-05 | 0.000 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in a tan | 17 | s = 12.155+ | 12.155914064 | −9.14e-04 | -0.008 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in a tan | 18 | s = 12.542+ | 12.542719624 | −7.20e-04 | -0.006 | reproduced | Found by Eckard Specht in April 2009. |
| Circles in a tan | 19 | s = 12.798+ | 12.798666392 | −6.66e-04 | -0.005 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in a tan | 20 | s = 13.092+ | 13.092605393 | −6.05e-04 | -0.005 | reproduced | Found by Maurizio Morandi in December 2008. |
| Circles in a tan | 21 | s = 12 + √2 = 13.414+ | 13.414213566 | −3.72e-09 | -0.000 | reproduced | |
| Circles in a triangle | 2 | s = 2 + 2√3 = 5.464+ | 5.464101617 | −2.19e-09 | -0.000 | reproduced | |
| Circles in a triangle | 3 | s = 2 + 2√3 = 5.464+ | 5.464101617 | −2.19e-09 | -0.000 | reproduced | |
| Circles in a triangle | 13 | s = 4 + 2√6/3 + 10√3/3 = 11.406+ | 11.406495858 | −4.56e-09 | -0.000 | reproduced | Found by Melissen in 1993. |
| Circles in a triangle | 14 | s = 8 + 2√3 = 11.464+ | 11.464101620 | −4.59e-09 | -0.000 | reproduced | Found by Erdős/Oler in 1961. |
| Circles in an L | 2 | s = 4 | 4.000000002 | −1.60e-09 | -0.000 | reproduced | |
| Circles in an L | 3 | s = 4 | 4.000000002 | −1.60e-09 | -0.000 | reproduced | |
| Circles in an L | 4 | s = 5.304+ | 5.304812895 | −8.13e-04 | -0.015 | reproduced | Found by Erich Friedman in June 2005. |
| Circles in an L | 5 | s = 5.780+ | 5.780892895 | −8.93e-04 | -0.015 | reproduced | Found by David W. Cantrell in June 2005. |
| Circles in an L | 6 | s = 6.416+ | 6.416500412 | −5.00e-04 | -0.008 | reproduced | Found by David W. Cantrell in June 2005. |
| Circles in an L | 7 | s = 6.787+ | 6.787322146 | −3.22e-04 | -0.005 | reproduced | Found by David W. Cantrell in June 2005. |
| Circles in an L | 8 | s = 7.116+ | 7.116251345 | −2.51e-04 | -0.004 | reproduced | Found by Erich Friedman in June 2005. |
| Circles in an L | 9 | s = 4 + 12/√13 = 7.328+ | 7.328201180 | −2.93e-09 | -0.000 | reproduced | Found by Erich Friedman in June 2005. |
| Circles in an L | 10 | s = 7.628+ | 7.628290963 | −2.91e-04 | -0.004 | reproduced | Found by Erich Friedman in June 2005. |
| Circles in an L | 11 | s = 4 + √2 + √6 = 7.863+ | 7.863703308 | −3.15e-09 | -0.000 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in an L | 12 | s = 8 | 8.000000003 | −3.20e-09 | -0.000 | reproduced | |
| Circles in an L | 13 | s = 8.812+ | 8.812490023 | −4.90e-04 | -0.006 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in an L | 14 | s = 9.085+ | 9.085893323 | −8.93e-04 | -0.010 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in an L | 15 | s = 9.412+ | 9.412649498 | −6.49e-04 | -0.007 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in an L | 16 | s = 9.635+ | 9.635745974 | −7.46e-04 | -0.008 | reproduced | Found by David W. Cantrell in January 2006. |
| Circles in an L | 17 | s = 10.00425+ | 10.004253590 | −3.59e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 18 | s = 10.27388+ | 10.273885059 | −5.06e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 19 | s = 10.46489+ | 10.464896647 | −6.65e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 20 | s = 10.61664+ | 10.616645072 | −5.07e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 21 | s = 10.82564+ | 10.825649498 | −9.50e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 22 | s = 10.89927+ | 10.899275670 | −5.67e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 23 | s = 11.21781+ | 11.217812413 | −2.41e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 24 | s = 11.41224+ | 11.412241305 | −1.30e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 25 | s = 11.71270+ | 11.712699601 | +3.99e-07 | 0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 26 | s = 11.86038+ | 11.860386699 | −6.70e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 27 | s = 12 | 12.000000003 | −3.28e-09 | -0.000 | reproduced | |
| Circles in an L | 28 | s = 12.49680+ | 12.496806465 | −6.46e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 29 | s = 12.67553+ | 12.675529689 | +3.11e-07 | 0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 30 | s = 12.94284+ | 12.942845261 | −5.26e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 31 | s = 13.12408+ | 13.124080708 | −7.08e-07 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 32 | s = 13.30282+ | 13.302823642 | −3.64e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 33 | s = 13.52754+ | 13.527544221 | −4.22e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in September 2026. |
| Circles in an L | 34 | s = 13.72415+ | 13.724157861 | −7.86e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 35 | s = 13.86770+ | 13.867708776 | −8.78e-06 | -0.000 | reproduced | Found by Leo Strijbos in August 2026. |
| Circles in an L | 36 | s = 14.01152+ | 14.011527575 | −7.58e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 37 | s = 14.10954+ | 14.109546337 | −6.34e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 38 | s = 14.23736+ | 14.237364434 | −4.43e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 39 | s = 14.30561+ | 14.305616537 | −6.54e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 40 | s = 14.54974+ | 14.549742882 | −2.88e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 41 | s = 14.69163+ | 14.691635123 | −5.12e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 42 | s = 14.90788+ | 14.907881852 | −1.85e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 43 | s = 15.06571+ | 15.065713308 | −3.31e-06 | -0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 44 | s = 15.27022+ | 15.270195484 | +2.45e-05 | 0.000 | beaten | Found by Tej Stead in June 2026. |
| Circles in an L | 45 | s = 15.43636+ | 15.431836747 | +4.52e-03 | 0.029 | beaten | Found by Tej Stead in June 2026. |
| Circles in an L | 46 | s = 15.71083+ | 15.709648886 | +1.18e-03 | 0.008 | beaten | Found by Jonathan Viquerat in September 2026. |
| Circles in an L | 47 | s = 15.85935+ | 15.859349870 | +1.30e-07 | 0.000 | reproduced | Found by Jonathan Viquerat in September 2026. |
| Circles in an L | 48 | s = 15.98311+ | 15.983106863 | +3.14e-06 | 0.000 | reproduced | Found by Tej Stead in June 2026. |
| Circles in an L | 49 | s = 16.13179+ | 16.131792995 | −3.00e-06 | -0.000 | reproduced | Found by Leo Strijbos in August 2026. |
| Circles in an L | 50 | s = 16.30078+ | 16.300776166 | +3.83e-06 | 0.000 | reproduced | Found by Jonathan Viquerat in September 2026. |
| Dominoes in a circle | 2 | r = √2 = 1.41421+ | 1.414213572 | −9.53e-09 | -0.000 | reproduced | |
| Dominoes in a circle | 3 | r = √13/2 = 1.80277+ | 1.802775664 | −2.59e-08 | -0.000 | reproduced | |
| Dominoes in a circle | 4 | r = 1.97949+ | 1.979495622 | −5.62e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026 |
| Dominoes in a circle | 5 | r = 2.18039+ | 2.180565951 | −1.76e-04 | -0.008 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 6 | r = √5 = 2.23606+ | 2.355851455 | −1.20e-01 | -5.357 | behind | |
| Dominoes in a circle | 7 | r = 2.51459+ | 2.515370505 | −7.81e-04 | -0.031 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 8 | r = 2.65851+ | 2.771078931 | −1.13e-01 | -4.234 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 9 | r = 2.76860+ | 2.786397797 | −1.78e-02 | -0.643 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 10 | r = 2.93560+ | 2.968276694 | −3.27e-02 | -1.113 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a circle | 11 | r = 3.08701+ | 3.261265256 | −1.74e-01 | -5.645 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a circle | 12 | r = √10 = 3.16227+ | 3.354102043 | −1.92e-01 | -6.066 | behind | Found by Maurizio Morandi in May 2026. |
| Dominoes in a circle | 13 | r = 3.27852+ | 3.411424403 | −1.33e-01 | -4.054 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 14 | r = 3.37689+ | 3.629240510 | −2.52e-01 | -7.473 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 15 | r = 3.48515+ | 3.649879165 | −1.65e-01 | -4.727 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 16 | r = √13 = 3.60555+ | 3.786572973 | −1.81e-01 | -5.021 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 17 | r = √53/2 = 3.64005+ | 3.750656366 | −1.11e-01 | -3.038 | behind | Found by Maurizio Morandi in May 2026. |
| Dominoes in a circle | 18 | r = 3.78121+ | 4.132510889 | −3.51e-01 | -9.291 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 19 | r = 3.85867+ | 4.217066296 | −3.58e-01 | -9.288 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a circle | 20 | r = 3.99407+ | 4.189908554 | −1.96e-01 | -4.903 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 21 | r = 4.09448+ | 4.383777682 | −2.89e-01 | -7.066 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a circle | 22 | r = 4.17546+ | 4.445780882 | −2.70e-01 | -6.474 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a circle | 23 | r = 4.25369+ | 4.517920953 | −2.64e-01 | -6.212 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a circle | 24 | r = 4.27200+ | 4.605259437 | −3.33e-01 | -7.801 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a circle | 25 | r = 4.40723+ | 4.712585593 | −3.05e-01 | -6.929 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a domino | 2 | s = (2+√2)/√3 = 1.971+ | 1.971197120 | −8.55e-10 | -0.000 | reproduced | Found by Erich Friedman in April 2026. |
| Dominoes in a domino | 3 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Dominoes in a domino | 4 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Dominoes in a domino | 5 | s = 5/2 = 2.5 | 2.500000038 | −3.77e-08 | -0.000 | reproduced | |
| Dominoes in a domino | 6 | s = 2.916+ | 3.000000056 | −8.40e-02 | -2.881 | behind | Found by Erich Friedman in April 2026. |
| Dominoes in a domino | 7 | s = 3 | 3.000000051 | −5.09e-08 | -0.000 | reproduced | |
| Dominoes in a domino | 8 | s = 3 | 3.000000058 | −5.83e-08 | -0.000 | reproduced | |
| Dominoes in a domino | 9 | s = 3 | 3.000000056 | −5.58e-08 | -0.000 | reproduced | |
| Dominoes in a domino | 10 | s = 7/2 = 3.5 | 3.500399378 | −3.99e-04 | -0.011 | reproduced | |
| Dominoes in a domino | 11 | s = (5+√41)/3 = 3.801+ | 4.000000084 | −1.99e-01 | -5.234 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in a domino | 12 | s = 5/2+√2 = 3.914+ | 4.000000080 | −8.58e-02 | -2.192 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in a domino | 13 | s = 4 | 4.000000002 | −1.60e-09 | -0.000 | reproduced | Inherited published construction at n=14; not a newly discovered record |
| Dominoes in a domino | 14 | s = 4 | 4.000000002 | −1.60e-09 | -0.000 | reproduced | |
| Dominoes in a domino | 15 | s = 4 | 4.000000076 | −7.64e-08 | -0.000 | reproduced | |
| Dominoes in a domino | 16 | s = 4 | 4.000000076 | −7.56e-08 | -0.000 | reproduced | |
| Dominoes in a domino | 17 | s = 9/2 = 4.5 | 4.504410611 | −4.41e-03 | -0.098 | reproduced | |
| Dominoes in a domino | 18 | s = 9/2 = 4.5 | 4.550237521 | −5.02e-02 | -1.116 | reproduced | |
| Dominoes in a domino | 19 | s = 3(5+√2)/4 = 4.81066+ | 5.006748390 | −1.96e-01 | -4.076 | behind | Found by Maurizio Morandi in June 2026. |
| Dominoes in a domino | 20 | s = 4.95714+ | 5.000028388 | −4.29e-02 | -0.865 | behind | Found by Maurizio Morandi in June 2026. |
| Dominoes in a domino | 21 | s = 5 | 5.000034280 | −3.43e-05 | -0.001 | behind | |
| Dominoes in a domino | 22 | s = 5 | 5.000332101 | −3.32e-04 | -0.007 | behind | |
| Dominoes in a domino | 23 | s = 5 | 5.001294930 | −1.29e-03 | -0.026 | behind | |
| Dominoes in a domino | 24 | s = 5 | 5.002345650 | −2.35e-03 | -0.047 | behind | |
| Dominoes in a domino | 25 | s = 5 | 5.386125347 | −3.86e-01 | -7.723 | behind | |
| Dominoes in a hexagon | 2 | s = 2/3^(1/4) = 1.51967+ | 1.519671385 | −1.37e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a hexagon | 3 | s = √2(3)^(1/4) = 1.86120+ | 1.861209750 | −3.19e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a hexagon | 4 | s = 1+2/√3 = 2.15470+ | 2.154700584 | −4.58e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a hexagon | 5 | s = 4/√3 = 2.30940+ | 2.309401130 | −5.35e-08 | -0.000 | reproduced | |
| Dominoes in a hexagon | 6 | s = 1+5√3/6 = 2.44337+ | 2.484192219 | −4.08e-02 | -1.671 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a hexagon | 7 | s = 2.63126+ | 2.728312746 | −9.71e-02 | -3.688 | behind | Found by Aapo Lipponen in July 2026. |
| Dominoes in a hexagon | 8 | s = 2.85220+ | 2.925149823 | −7.29e-02 | -2.558 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a hexagon | 9 | s = 2.93631+ | 3.008565343 | −7.23e-02 | -2.461 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a hexagon | 10 | s = 3.20593+ | 3.256366576 | −5.04e-02 | -1.573 | behind | Found by Aapo Lipponen in July 2026. |
| Dominoes in a hexagon | 11 | s = 3.33391+ | 3.464101684 | −1.30e-01 | -3.905 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a hexagon | 12 | s = 3.44304+ | 3.601273566 | −1.58e-01 | -4.596 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a hexagon | 13 | s = 3.52702+ | 3.670637486 | −1.44e-01 | -4.072 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a hexagon | 14 | s = 3.65080+ | 3.729108393 | −7.83e-02 | -2.145 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a hexagon | 15 | s = 2(12)^(1/4) = 3.72241+ | 3.839768564 | −1.17e-01 | -3.153 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in a hexagon | 16 | s = 3.87030+ | 4.136723692 | −2.66e-01 | -6.884 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a hexagon | 17 | s = 4.00242+ | 4.457212454 | −4.55e-01 | -11.363 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a hexagon | 18 | s = 2+7√3/6 = 4.02072+ | 4.491089836 | −4.70e-01 | -11.698 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in a hexagon | 19 | s = 4.19677+ | 4.628932373 | −4.32e-01 | -10.297 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a hexagon | 20 | s = 4.35104+ | 4.628167247 | −2.77e-01 | -6.369 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a hexagon | 21 | s = 4.43949+ | 4.634177126 | −1.95e-01 | -4.385 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a hexagon | 22 | s = 4.54229+ | 4.768194748 | −2.26e-01 | -4.973 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a hexagon | 23 | s = 2+3√3/2 = 4.59807+ | 4.831566310 | −2.33e-01 | -5.078 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in a hexagon | 24 | s = 2+3√3/2 = 4.59807+ | 4.698458445 | −1.00e-01 | -2.183 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in a hexagon | 25 | s = 3+√3 = 4.73205+ | 4.851100258 | −1.19e-01 | -2.516 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in a hexagon | 26 | s = 4+√3/2 = 4.86602+ | 5.088196055 | −2.22e-01 | -4.566 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in a hexagon | 27 | s = 4.95289+ | 5.334327147 | −3.81e-01 | -7.701 | behind | Found by Jonathan Viquerat in September 2026. |
| Dominoes in a hexagon | 28 | s = 5.07598+ | 5.381169643 | −3.05e-01 | -6.012 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a hexagon | 29 | s = 2+11√3/6 = 5.17542+ | 5.538719287 | −3.63e-01 | -7.020 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in a hexagon | 30 | s = 2+11√3/6 = 5.17542+ | 5.425542479 | −2.50e-01 | -4.833 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in a pentagon | 2 | s = 1.86166+ | 1.861668577 | −8.58e-06 | -0.000 | reproduced | Found by Aapo Lipponen in July 2026. |
| Dominoes in a pentagon | 3 | s = 2.31933+ | 2.319335606 | −5.61e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 4 | s = 2.58859+ | 2.588595825 | −5.83e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 5 | s = 2.80725+ | 2.807256341 | −6.34e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 6 | s = 2.98883+ | 2.988831868 | −1.87e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 7 | s = 3.24589+ | 3.348544121 | −1.03e-01 | -3.163 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 8 | s = 3.49269+ | 3.625397741 | −1.33e-01 | -3.800 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 9 | s = 3.65963+ | 3.724506393 | −6.49e-02 | -1.773 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 10 | s = 3.82264+ | 4.012541325 | −1.90e-01 | -4.968 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 11 | s = 3.94761+ | 4.235426770 | −2.88e-01 | -7.291 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 12 | s = 4.13414+ | 4.420234203 | −2.86e-01 | -6.920 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 13 | s = 4.26767+ | 4.380532304 | −1.13e-01 | -2.645 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 14 | s = 4.50050+ | 4.589929776 | −8.94e-02 | -1.987 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a pentagon | 15 | s = 4.59464+ | 4.938689230 | −3.44e-01 | -7.488 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 16 | s = 4.73238+ | 4.865180017 | −1.33e-01 | -2.806 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a pentagon | 17 | s = 4.84579+ | 5.404585024 | −5.59e-01 | -11.532 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 18 | s = 4+√((5+√5)/8) = 4.95105+ | 5.417264114 | −4.66e-01 | -9.416 | behind | Found by Maurizio Morandi in August 2026. |
| Dominoes in a pentagon | 19 | s = 5.16530+ | 5.610794929 | −4.45e-01 | -8.625 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a pentagon | 20 | s = 5.26425+ | 5.682735273 | −4.18e-01 | -7.950 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 21 | s = 5.40180+ | 5.772848849 | −3.71e-01 | -6.869 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 22 | s = 5.53463+ | 5.658094139 | −1.23e-01 | -2.231 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a pentagon | 23 | s = 5.63467+ | 5.899713376 | −2.65e-01 | -4.704 | behind | Found by Luke Kaiser in September 2026. |
| Dominoes in a pentagon | 24 | s = 5.70796+ | 5.883083232 | −1.75e-01 | -3.068 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 25 | s = 5.84981+ | 5.991777780 | −1.42e-01 | -2.427 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 26 | s = 5.94561+ | 6.425751084 | −4.80e-01 | -8.076 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 27 | s = 6.03477+ | 6.279659485 | −2.45e-01 | -4.058 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 28 | s = 6.19946+ | 6.458944272 | −2.59e-01 | -4.186 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 29 | s = 6.27249+ | 6.748334999 | −4.76e-01 | -7.586 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a pentagon | 30 | s = 6.36194+ | 6.811864942 | −4.50e-01 | -7.072 | behind | Found by Jonathan Viquerat in August 2026. |
| Dominoes in a square | 2 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Dominoes in a square | 4 | s = 3 | 3.000000001 | −1.20e-09 | -0.000 | reproduced | |
| Dominoes in a square | 6 | s = 4 | 4.000000002 | −1.60e-09 | -0.000 | reproduced | |
| Dominoes in a square | 7 | s = 4 | 4.000000020 | −1.98e-08 | -0.000 | reproduced | |
| Dominoes in a square | 8 | s = 4 | 4.000000076 | −7.56e-08 | -0.000 | reproduced | |
| Dominoes in a square | 9 | s = 4.86784+ | 4.939418233 | −7.16e-02 | -1.470 | behind | Found by Aapo Lipponen in July 2026. |
| Dominoes in a square | 10 | s = 5 | 5.002532217 | −2.53e-03 | -0.051 | behind | |
| Dominoes in a square | 11 | s = 5 | 5.000013050 | −1.31e-05 | -0.000 | behind | |
| Dominoes in a square | 12 | s = 5 | 6.000041841 | −1.0000 | -20.001 | behind | |
| Dominoes in a square | 13 | s = 5+1/√2 = 5.70710+ | 6.000000124 | −2.93e-01 | -5.132 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a square | 14 | s = 3+2√2 = 5.82842+ | 6.000026094 | −1.72e-01 | -2.944 | behind | Found by Maurizio Morandi in June 2026. |
| Dominoes in a square | 15 | s = 6 | 6.000011444 | −1.14e-05 | -0.000 | behind | |
| Dominoes in a square | 16 | s = 6 | 6.000413722 | −4.14e-04 | -0.007 | behind | |
| Dominoes in a square | 17 | s = 6 | 6.015695797 | −1.57e-02 | -0.262 | behind | |
| Dominoes in a square | 18 | s = 6 | 6.000039003 | −3.90e-05 | -0.001 | behind | |
| Dominoes in a square | 19 | s = 47/7 = 6.71428+ | 7.005509629 | −2.91e-01 | -4.337 | behind | Found by Maurizio Morandi in June 2026. |
| Dominoes in a square | 20 | s = 11/2+√2 = 6.91421+ | 7.001648960 | −8.74e-02 | -1.265 | behind | Found by Maurizio Morandi in August 2026. |
| Dominoes in a square | 21 | s = 7 | 7.023071376 | −2.31e-02 | -0.330 | behind | |
| Dominoes in a square | 22 | s = 7 | 8.002727369 | −1.0027 | -14.325 | behind | |
| Dominoes in a square | 23 | s = 7 | 8.012743313 | −1.0127 | -14.468 | behind | |
| Dominoes in a square | 24 | s = 7 | 8.016026579 | −1.0160 | -14.515 | behind | |
| Dominoes in a square | 25 | s = 7+1/√2 = 7.70710+ | 8.005276147 | −2.98e-01 | -3.869 | behind | Found by Maurizio Morandi in August 2026. |
| Dominoes in a square | 26 | s = 5+2√2 = 7.82842+ | 8.003907263 | −1.75e-01 | -2.242 | behind | Found by Maurizio Morandi in August 2026. |
| Dominoes in a square | 27 | s = 8 | 8.013833447 | −1.38e-02 | -0.173 | behind | |
| Dominoes in a square | 28 | s = 8 | 8.007879951 | −7.88e-03 | -0.098 | behind | |
| Dominoes in a square | 29 | s = 8 | 8.000782244 | −7.82e-04 | -0.010 | behind | |
| Dominoes in a square | 30 | s = 8 | 8.033610843 | −3.36e-02 | -0.420 | behind | |
| Dominoes in a square | 31 | s = 8 | 8.020187413 | −2.02e-02 | -0.252 | behind | |
| Dominoes in a square | 32 | s = 8 | 8.075638221 | −7.56e-02 | -0.945 | behind | |
| Dominoes in a tan | 2 | s = 1+2√2 = 3.82842+ | 3.828427141 | −1.61e-08 | -0.000 | reproduced | |
| Dominoes in a tan | 3 | s = 3√2 = 4.24264+ | 4.242640689 | −1.70e-09 | -0.000 | reproduced | |
| Dominoes in a tan | 4 | s = 2+2√2 = 4.82842+ | 4.949747487 | −1.21e-01 | -2.513 | behind | Found by Erich Friedman in May 2026 |
| Dominoes in a tan | 5 | s = 1+3√2 = 5.24264+ | 5.242640722 | −3.44e-08 | -0.000 | reproduced | Found by Erich Friedman in May 2026. |
| Dominoes in a tan | 6 | s = 4√2 = 5.65685+ | 5.828427237 | −1.72e-01 | -3.033 | behind | |
| Dominoes in a tan | 7 | s = 2+3√2 = 6.24264+ | 6.242640808 | −1.21e-07 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a tan | 8 | s = 5+√2 = 6.41421+ | 6.618741797 | −2.05e-01 | -3.189 | behind | Found by Erich Friedman in May 2026. |
| Dominoes in a tan | 9 | s = 4+2√2 = 6.82842+ | 7.007474369 | −1.79e-01 | -2.622 | behind | Found by Erich Friedman in May 2026. |
| Dominoes in a tan | 10 | s = 5√2 = 7.07106+ | 7.414213710 | −3.43e-01 | -4.853 | behind | |
| Dominoes in a tan | 11 | s = 6+√2 = 7.41421+ | 7.538142665 | −1.24e-01 | -1.672 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a tan | 12 | s = 5+2√2 = 7.82842+ | 7.829498746 | −1.07e-03 | -0.014 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a tan | 13 | s = 8 | 8.333590058 | −3.34e-01 | -4.170 | behind | Found by Erich Friedman in May 2026. |
| Dominoes in a tan | 14 | s = 4+3√2 = 8.24264+ | 9.088750096 | −8.46e-01 | -10.265 | behind | Found by Maurizio Morandi in May 2026. |
| Dominoes in a tan | 15 | s = 6√2 = 8.48528+ | 9.078887519 | −5.94e-01 | -6.996 | behind | |
| Dominoes in a tan | 16 | s = 6+2√2 = 8.82842+ | 8.830299434 | −1.87e-03 | -0.021 | behind | Found by Erich Friedman in May 2026. |
| Dominoes in a tan | 17 | s = 9 | 10.163959327 | −1.1640 | -12.933 | behind | Found by Maurizio Morandi in May 2026. |
| Dominoes in a tan | 18 | s = 5+3√2 = 9.24264+ | 10.090449130 | −8.48e-01 | -9.173 | behind | Found by Maurizio Morandi in May 2026. |
| Dominoes in a tan | 19 | s = 1+6√2 = 9.48528+ | 10.266843558 | −7.82e-01 | -8.240 | behind | Found by Maurizio Morandi in May 2026. |
| Dominoes in a tan | 20 | s = 7+2√2 = 9.82842+ | 10.366945735 | −5.39e-01 | -5.479 | behind | Found by Jonathan Viquerat in May 2026. |
| Dominoes in a triangle | 2 | s = 2+4/√3 = 4.30940+ | 4.309401078 | −1.72e-09 | -0.000 | reproduced | |
| Dominoes in a triangle | 3 | s = 2+4/√3 = 4.30940+ | 4.309401078 | −1.72e-09 | -0.000 | reproduced | |
| Dominoes in a triangle | 4 | s = 5.38188+ | 5.381887117 | −7.12e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 5 | s = 2+2√3 = 5.46410+ | 5.464101686 | −7.06e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 6 | s = 4+4/√3 = 6.30940+ | 6.593261133 | −2.84e-01 | -4.499 | behind | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 7 | s = 6.61394+ | 6.618830469 | −4.89e-03 | -0.074 | behind | Found by Aapo Lipponen in July 2026. |
| Dominoes in a triangle | 8 | s = 6+2/√3 = 7.15470+ | 7.154700687 | −1.49e-07 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 9 | s = 5+4/√3 = 7.30940+ | 7.466282999 | −1.57e-01 | -2.146 | behind | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 10 | s = 3+8/√3 = 7.61880+ | 7.625035401 | −6.23e-03 | -0.082 | behind | Found by Bhavithran Ananthan in July 2026. |
| Dominoes in a triangle | 11 | s = 7+2/√3 = 8.15470+ | 8.679517618 | −5.25e-01 | -6.436 | behind | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 12 | s = 6+4/√3 = 8.30940+ | 8.619012732 | −3.10e-01 | -3.726 | behind | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 13 | s = 4+8/√3 = 8.61880+ | 9.487565296 | −8.69e-01 | -10.080 | behind | Found by Bhavithran Ananthan in July 2026. |
| Dominoes in a triangle | 14 | s = 3+10/√3 = 8.77350+ | 9.961718046 | −1.1882 | -13.543 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in a triangle | 15 | s = 7+4/√3 = 9.30940+ | 9.871832021 | −5.62e-01 | -6.042 | behind | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 16 | s = 6+2√3 = 9.46410+ | 10.344730559 | −8.81e-01 | -9.305 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in a triangle | 17 | s = 4+10/√3 = 9.77350+ | 11.195183463 | −1.4217 | -14.546 | behind | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 18 | s = 3+4√3 = 9.92820+ | 10.966075871 | −1.0379 | -10.454 | behind | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 19 | s = 8+4/√3 = 10.30940+ | 10.625339912 | −3.16e-01 | -3.065 | behind | Found by Jonathan Viquerat in April 2026. |
| Dominoes in a triangle | 20 | s = 7+2√3 = 10.46410+ | 11.417483716 | −9.53e-01 | -9.111 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in a triangle | 21 | s = 2+5√3 = 10.66025+ | 11.313705159 | −6.53e-01 | -6.130 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in a triangle | 22 | s = 4(1+√3) = 10.92820+ | 12.001026659 | −1.0728 | -9.817 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in a triangle | 23 | s = 10+2/√3 = 11.15470+ | 11.779578399 | −6.25e-01 | -5.602 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in a triangle | 24 | s = 9+4/√3 = 11.30940+ | 12.092425330 | −7.83e-01 | -6.924 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in a triangle | 25 | s = 7+8/√3 = 11.61880+ | 12.545206751 | −9.26e-01 | -7.973 | behind | Found by Maurizio Morandi in June 2026. |
| Dominoes in a triangle | 26 | s = 11.79418+ | 12.949747813 | −1.1556 | -9.798 | behind | Found by Aapo Lipponen in July 2026. |
| Dominoes in a triangle | 27 | s = 4+14/√3 = 12.08290+ | 12.822649464 | −7.40e-01 | -6.122 | behind | Found by Maurizio Morandi in June 2026. |
| Dominoes in an L | 2 | s = 3/2 = 1.5 | 1.500000013 | −1.31e-08 | -0.000 | reproduced | |
| Dominoes in an L | 3 | s = (6+√2)/4 = 1.853+ | 1.853553424 | −3.36e-08 | -0.000 | reproduced | Found by Erich Friedman in April 2026. |
| Dominoes in an L | 4 | s = 2 | 2.000000001 | −8.01e-10 | -0.000 | reproduced | |
| Dominoes in an L | 5 | s = 2 | 2.000000004 | −3.62e-09 | -0.000 | reproduced | |
| Dominoes in an L | 6 | s = 2 | 2.000000001 | −1.13e-09 | -0.000 | reproduced | |
| Dominoes in an L | 7 | s = 5/2 = 2.5 | 2.502125189 | −2.13e-03 | -0.085 | reproduced | |
| Dominoes in an L | 8 | s = 5/2 = 2.5 | 3.000000036 | −5.00e-01 | -20.000 | behind | |
| Dominoes in an L | 9 | s = 2.87746+ | 2.958618060 | −8.12e-02 | -2.820 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an L | 10 | s = 3 | 3.013860710 | −1.39e-02 | -0.462 | behind | |
| Dominoes in an L | 11 | s = 3 | 3.016500442 | −1.65e-02 | -0.550 | behind | |
| Dominoes in an L | 12 | s = 3 | 3.091753832 | −9.18e-02 | -3.058 | behind | |
| Dominoes in an L | 13 | s = 3 | 3.511413699 | −5.11e-01 | -17.047 | behind | |
| Dominoes in an L | 14 | s = 3+√2/4 = 3.353+ | 3.812847627 | −4.59e-01 | -13.698 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in an L | 15 | s = 7/2 = 3.5 | 3.501290032 | −1.29e-03 | -0.037 | reproduced | |
| Dominoes in an L | 16 | s = 7/2 = 3.5 | 4.000025678 | −5.00e-01 | -14.286 | behind | |
| Dominoes in an L | 17 | s = (10+9√2)/6 = 3.787+ | 4.002294351 | −2.14e-01 | -5.659 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in an L | 18 | s = (11+6√2)/5 = 3.897+ | 4.005614362 | −1.09e-01 | -2.786 | behind | Found by Maurizio Morandi in April 2026. |
| Dominoes in an L | 19 | s = 4 | 4.004432984 | −4.43e-03 | -0.111 | behind | |
| Dominoes in an L | 20 | s = 4 | 4.000443622 | −4.44e-04 | -0.011 | behind | |
| Dominoes in an L | 21 | s = 4 | 4.020826630 | −2.08e-02 | -0.521 | behind | |
| Dominoes in an L | 22 | s = 4 | 4.001824505 | −1.82e-03 | -0.046 | behind | |
| Dominoes in an L | 23 | s = 4 | 4.002847603 | −2.85e-03 | -0.071 | behind | |
| Dominoes in an L | 24 | s = 4 | 4.002843305 | −2.84e-03 | -0.071 | behind | |
| Dominoes in an octagon | 2 | s = √(4–2√2) = 1.08239+ | 1.082392210 | −9.97e-09 | -0.000 | reproduced | |
| Dominoes in an octagon | 3 | s = √(5–√2–√(8√2–9)) = 1.43690+ | 1.436905902 | −2.33e-08 | -0.000 | reproduced | Found by Maurizio Morandi in May 2026. |
| Dominoes in an octagon | 4 | s = 1.57337+ | 1.573372066 | −2.07e-06 | -0.000 | reproduced | Found by Maurizio Morandi in May 2026. |
| Dominoes in an octagon | 5 | s = 1.71644+ | 1.720930933 | −4.49e-03 | -0.262 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 6 | s = √(6–√2–√(20√2–26)) = 1.75339+ | 1.754465126 | −1.07e-03 | -0.061 | behind | Found by Maurizio Morandi in May 2026. |
| Dominoes in an octagon | 7 | s = 2.00516+ | 2.071067848 | −6.59e-02 | -3.287 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 8 | s = 5(√2–1) = 2.07106+ | 2.071067868 | −5.59e-08 | -0.000 | reproduced | |
| Dominoes in an octagon | 9 | s = 2.19803+ | 2.287462606 | −8.94e-02 | -4.069 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 10 | s = 2.32394+ | 2.508903512 | −1.85e-01 | -7.959 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 11 | s = 2.44911+ | 2.490798930 | −4.17e-02 | -1.702 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 12 | s = 6(√2–1) = 2.48528+ | 2.528319420 | −4.30e-02 | -1.732 | behind | |
| Dominoes in an octagon | 13 | s = 2.56556+ | 2.705658792 | −1.40e-01 | -5.461 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 14 | s = 2.67740+ | 2.865703294 | −1.88e-01 | -7.033 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 15 | s = 2.80446+ | 2.912641803 | −1.08e-01 | -3.857 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 16 | s = 2√(5–√2–√(8√2–9)) = 2.87381+ | 3.098160357 | −2.24e-01 | -7.807 | behind | Found by Maurizio Morandi in June 2026. |
| Dominoes in an octagon | 17 | s = 2.92223+ | 3.164660764 | −2.42e-01 | -8.296 | behind | Found by Aapo Lipponen in July 2026. |
| Dominoes in an octagon | 18 | s = 9–17√2/4 = 2.98959+ | 3.234555339 | −2.45e-01 | -8.194 | behind | Found by Maurizio Morandi in August 2026. |
| Dominoes in an octagon | 19 | s = 3.08791+ | 3.193679353 | −1.06e-01 | -3.425 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 20 | s = 3.16881+ | 3.318460076 | −1.50e-01 | -4.723 | behind | Found by Jonathan Viquerat in June 2026. |
| Dominoes in an octagon | 21 | s = 8(√2–1) = 3.31370+ | 3.455489292 | −1.42e-01 | -4.279 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 22 | s = 8(√2–1) = 3.31370+ | 3.468370526 | −1.55e-01 | -4.667 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 23 | s = (26–9√2)/4 = 3.31801+ | 3.547791491 | −2.30e-01 | -6.925 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 24 | s = 4(13–5√2)/7 = 3.38796+ | 3.588257025 | −2.00e-01 | -5.912 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 25 | s = 2√(6–√2–√(20√2–26)) = 3.50679+ | 3.726295144 | −2.19e-01 | -6.259 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 26 | s = 2√(6–√2–√(20√2–26)) = 3.50679+ | 3.728578015 | −2.22e-01 | -6.324 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 27 | s = 10–9/√2 = 3.63603+ | 3.864332291 | −2.28e-01 | -6.279 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 28 | s = 9(√2–1) = 3.72792+ | 3.808998788 | −8.11e-02 | -2.175 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 29 | s = 22(3–2√2) = 3.77460+ | 3.849043411 | −7.44e-02 | -1.972 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 30 | s = (42–19√2)/4 = 3.78248+ | 3.955288859 | −1.73e-01 | -4.569 | behind | Found by Maurizio Morandi in July 2026. |
| Dominoes in an octagon | 31 | s = 3.80663+ | 4.088598547 | −2.82e-01 | -7.407 | behind | Found by Aapo Lipponen in July 2026. |
| Hexagons in a circle | 2 | r = √13/2 = 1.802+ | 1.802775649 | −1.10e-08 | -0.000 | reproduced | |
| Hexagons in a circle | 3 | r = 2 | 2.000000032 | −3.17e-08 | -0.000 | reproduced | |
| Hexagons in a circle | 4 | r = (21–√145)/4 = 2.239+ | 2.239601380 | −2.47e-08 | -0.000 | reproduced | Found by Maurizio Morandi in March 2026. |
| Hexagons in a circle | 5 | r = 2.471+ | 2.474128397 | −3.13e-03 | -0.127 | behind | Found by Maurizio Morandi in March 2026. |
| Hexagons in a circle | 6 | r = √7 = 2.645+ | 2.645751339 | −2.84e-08 | -0.000 | reproduced | |
| Hexagons in a circle | 7 | r = √7 = 2.645+ | 2.645751349 | −3.83e-08 | -0.000 | reproduced | |
| Hexagons in a circle | 8 | r = 2.984+ | 2.984724774 | −7.25e-04 | -0.024 | reproduced | Found by Maurizio Morandi in March 2026. |
| Hexagons in a circle | 9 | r = 3.301+ | 3.305379380 | −4.38e-03 | -0.133 | behind | Found by Maurizio Morandi in March 2026. |
| Hexagons in a circle | 10 | r = 3.48172+ | 3.483073709 | −1.35e-03 | -0.039 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 11 | r = 3.59003+ | 3.597900765 | −7.87e-03 | -0.219 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 12 | r = √13 = 3.605+ | 3.605896383 | −3.45e-04 | -0.010 | reproduced | Found by Maurizio Morandi in March 2026. |
| Hexagons in a circle | 13 | r = 3.82289+ | 3.860633247 | −3.77e-02 | -0.987 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 14 | r = 3.87755+ | 3.885382759 | −7.83e-03 | -0.202 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 15 | r = 4.08154+ | 4.121615704 | −4.01e-02 | -0.982 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 16 | r = 4.13960+ | 4.262161965 | −1.23e-01 | -2.961 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 17 | r = 4.30158+ | 4.350686807 | −4.91e-02 | -1.142 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 18 | r = √19 = 4.35889+ | 4.365336597 | −6.44e-03 | -0.148 | behind | |
| Hexagons in a circle | 19 | r = √19 = 4.35889+ | 4.359924373 | −1.03e-03 | -0.024 | behind | |
| Hexagons in a circle | 20 | r = 4.62527+ | 4.846202759 | −2.21e-01 | -4.777 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 21 | r = 4.68305+ | 4.685197727 | −2.15e-03 | -0.046 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 22 | r = 4.89204+ | 4.934687569 | −4.26e-02 | -0.872 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 23 | r = 4.98608+ | 4.988883042 | −2.80e-03 | -0.056 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 24 | r = 5.08387+ | 5.194122124 | −1.10e-01 | -2.169 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a circle | 25 | r = 5.18804+ | 5.220865891 | −3.28e-02 | -0.633 | behind | Found by Haowei Lin in June 2026. |
| Hexagons in a circle | 26 | r = 5.25746+ | 5.299591377 | −4.21e-02 | -0.801 | behind | Found by Haowei Lin in June 2026. |
| Hexagons in a circle | 27 | r = 5.28167+ | 5.326570627 | −4.49e-02 | -0.850 | behind | Found by Haowei Lin in June 2026. |
| Hexagons in a domino | 2 | s = 1.8946+ | 1.894691516 | −9.15e-05 | -0.005 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 3 | s = 6–2√3 = 2.53589+ | 2.535898400 | −1.55e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 4 | s = 22–11√3 = 2.94744+ | 2.947441134 | −1.75e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 5 | s = 7(2√3–3) = 3.24871+ | 3.248710331 | +9.75e-07 | 0.000 | beaten | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 6 | s = 21(15–2√3)/71 = 3.41202+ | 3.418866590 | −6.84e-03 | -0.200 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 7 | s = 3.48722+ | 3.488558354 | −1.34e-03 | -0.038 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a domino | 8 | s = 3.6906+ | 3.690675039 | −7.50e-05 | -0.002 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 9 | s = (36+5√3)/11 = 4.06002+ | 4.060023165 | −7.09e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 10 | s = 9(2√3–3) = 4.17691+ | 4.177928279 | −1.01e-03 | -0.024 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 11 | s = 4.5036+ | 4.556392537 | −5.28e-02 | -1.172 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 12 | s = 41(18–5√3)/83 = 4.6136+ | 4.614300600 | −6.91e-04 | -0.015 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 13 | s = 4.8137+ | 4.850100141 | −3.64e-02 | -0.756 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 14 | s = 25(6–√3)/22 = 4.84994+ | 4.850457896 | −5.16e-04 | -0.011 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 15 | s = 56(27–4√3)/227 = 4.95163+ | 5.010455293 | −5.88e-02 | -1.188 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 16 | s = 3√3 = 5.19615+ | 5.207258177 | −1.11e-02 | -0.214 | behind | |
| Hexagons in a domino | 17 | s = 3√3 = 5.19615+ | 5.630296993 | −4.34e-01 | -8.355 | behind | |
| Hexagons in a domino | 18 | s = 31(4–√3)/13 = 5.40818+ | 5.409339221 | −1.15e-03 | -0.021 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 19 | s = 5.65222+ | 5.922971913 | −2.71e-01 | -4.790 | behind | Found by Jonathan Viquerat in September 2026. |
| Hexagons in a domino | 20 | s = 5.8012+ | 5.804448714 | −3.25e-03 | -0.056 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a domino | 21 | s = 5.85640+ | 6.077039658 | −2.21e-01 | -3.767 | behind | Found by Thomas Greenleaf in June 2026. |
| Hexagons in a domino | 22 | s = 6.06943+ | 6.254917655 | −1.85e-01 | -3.056 | behind | Found by Jonathan Viquerat in September 2026. |
| Hexagons in a domino | 23 | s = 6.25797+ | 6.190597806 | +6.74e-02 | 1.077 | beaten | Found by Jonathan Viquerat in September 2026. |
| Hexagons in a hexagon | 2 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Hexagons in a hexagon | 3 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Hexagons in a hexagon | 4 | s = 7/3 = 2.333+ | 2.333333334 | −9.33e-10 | -0.000 | reproduced | |
| Hexagons in a hexagon | 5 | s = 8/3 = 2.666+ | 2.666666677 | −1.05e-08 | -0.000 | reproduced | Found by Erich Friedman in March 2015. |
| Hexagons in a hexagon | 6 | s = 5/√3 = 2.886+ | 2.896311904 | −9.56e-03 | -0.331 | behind | Found by Maurizio Morandi in April 2015. |
| Hexagons in a hexagon | 7 | s = 5/√3 = 2.886+ | 2.886753673 | −2.33e-06 | -0.000 | reproduced | Found by Maurizio Morandi in April 2015. |
| Hexagons in a hexagon | 8 | s = (51+5√3)/18 = 3.314+ | 3.314458618 | −6.03e-08 | -0.000 | reproduced | Found by Maurizio Morandi in April 2015. |
| Hexagons in a hexagon | 9 | s = (24+5√3)/9 = 3.628+ | 3.628917182 | −6.66e-08 | -0.000 | reproduced | Found by Maurizio Morandi in April 2015. |
| Hexagons in a hexagon | 10 | s = 2 + √3 = 3.732+ | 3.732051689 | −8.81e-07 | -0.000 | reproduced | Found by Maurizio Morandi in April 2015. |
| Hexagons in a hexagon | 11 | s = 2+10/3√3 = 3.92450+ | 3.947381150 | −2.29e-02 | -0.583 | behind | Found by Johann Schellhorn in July 2025. |
| Hexagons in a hexagon | 12 | s = 3.94164+ | 4.000000082 | −5.84e-02 | -1.481 | behind | Found by Alpha Evolve in May 2025. |
| Hexagons in a hexagon | 13 | s = 4 | 4.014712736 | −1.47e-02 | -0.368 | behind | |
| Hexagons in a hexagon | 14 | s = 4.26899+ | 4.271218699 | −2.23e-03 | -0.052 | behind | Found by Dominik Kamp in April 2026. |
| Hexagons in a hexagon | 15 | s = 4.44727+ | 4.519829749 | −7.26e-02 | -1.632 | behind | Found by Alex Kravatsky et al in February 2026. |
| Hexagons in a hexagon | 16 | s = 4.52746+ | 4.640546365 | −1.13e-01 | -2.498 | behind | Found by Alex Kravatsky et al in February 2026. |
| Hexagons in a hexagon | 17 | s = 4.6136+ | 4.619689871 | −6.09e-03 | -0.132 | behind | Found by Alex Kravatsky et al in February 2026. |
| Hexagons in a hexagon | 18 | s = 8/√3 = 4.618+ | 4.619589055 | −7.87e-04 | -0.017 | reproduced | Found by Maurizio Morandi in April 2015. |
| Hexagons in a hexagon | 19 | s = 8/√3 = 4.618+ | 4.619270937 | −4.69e-04 | -0.010 | reproduced | Found by Maurizio Morandi in April 2015. |
| Hexagons in a hexagon | 20 | s = 5 | 5.001369118 | −1.37e-03 | -0.027 | behind | |
| Hexagons in a hexagon | 21 | s = 5 | 5.020405858 | −2.04e-02 | -0.408 | behind | |
| Hexagons in a hexagon | 22 | s = (39+8√3)/10 = 5.285+ | 5.515371047 | −2.30e-01 | -4.347 | behind | Found by Maurizio Morandi in April 2015. |
| Hexagons in a hexagon | 23 | s = 5.39998+ | 5.403412893 | −3.43e-03 | -0.064 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in a hexagon | 24 | s = 19√3/6 = 5.484+ | 5.486372533 | −1.54e-03 | -0.028 | behind | Found by Maurizio Morandi in April 2015. |
| Hexagons in a hexagon | 25 | s = 5.62390+ | 5.657226878 | −3.33e-02 | -0.593 | behind | Found by Alex Kravatsky et al in February 2026. |
| Hexagons in a hexagon | 26 | s = 5.70972+ | 5.811907653 | −1.02e-01 | -1.790 | behind | Found by Alex Kravatsky et al in February 2026. |
| Hexagons in a hexagon | 27 | s = 5.71415+ | 5.795204125 | −8.11e-02 | -1.418 | behind | Found by Alex Kravatsky et al in February 2026. |
| Hexagons in a hexagon | 28 | s = 5.90893+ | 5.919773982 | −1.08e-02 | -0.184 | behind | Found by Alex Kravatsky et al in February 2026. |
| Hexagons in a hexagon | 29 | s = 6 | 6.001888785 | −1.89e-03 | -0.031 | behind | |
| Hexagons in a hexagon | 30 | s = 6 | 6.002234563 | −2.23e-03 | -0.037 | behind | |
| Hexagons in a hexagon | 31 | s = 6 | 6.001699172 | −1.70e-03 | -0.028 | behind | |
| Hexagons in a hexagon | 32 | s = 6.26088+ | 6.390413890 | −1.30e-01 | -2.069 | behind | Found by Aristotle Papowitz in July 2026. |
| Hexagons in a hexagon | 33 | s = 6.26580+ | 6.272610959 | −6.81e-03 | -0.109 | behind | Found by Jonathan Viquerat in September 2026. |
| Hexagons in a pentagon | 2 | s = 2.46585+ | 2.465852284 | −2.28e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a pentagon | 3 | s = 2.74282+ | 2.742825935 | −5.93e-06 | -0.000 | reproduced | Found by Ethan Riddle in May 2026. |
| Hexagons in a pentagon | 4 | s = 3.01521+ | 3.015218981 | −8.98e-06 | -0.000 | reproduced | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a pentagon | 5 | s = 3.21972+ | 3.219728524 | −8.52e-06 | -0.000 | reproduced | Found by Aristotle Papowitz in July 2026. |
| Hexagons in a pentagon | 6 | s = 3.54952+ | 3.549533503 | −1.35e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a pentagon | 7 | s = 3.79749+ | 3.797494365 | −4.37e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a pentagon | 8 | s = 4.14916+ | 4.149170533 | −1.05e-05 | -0.000 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a pentagon | 9 | s = 4.34314+ | 4.343145221 | −5.22e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a pentagon | 10 | s = 4.55810+ | 4.560096107 | −2.00e-03 | -0.044 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a pentagon | 11 | s = 4.71959+ | 4.771278849 | −5.17e-02 | -1.095 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a pentagon | 12 | s = 4.91850+ | 4.920964326 | −2.46e-03 | -0.050 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a pentagon | 13 | s = 5.10107+ | 5.149011514 | −4.79e-02 | -0.940 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a pentagon | 14 | s = 5.29198+ | 5.325191471 | −3.32e-02 | -0.628 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a pentagon | 15 | s = 5.41337+ | 5.597283830 | −1.84e-01 | -3.397 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a pentagon | 16 | s = 5.61409+ | 5.619880187 | −5.79e-03 | -0.103 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a pentagon | 17 | s = 5.82103+ | 5.826465576 | −5.44e-03 | -0.093 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a pentagon | 18 | s = 5.94471+ | 6.027336799 | −8.26e-02 | -1.390 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a pentagon | 19 | s = 6.10977+ | 6.130026376 | −2.03e-02 | -0.332 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a pentagon | 20 | s = 6.24667+ | 6.255128713 | −8.46e-03 | -0.135 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a pentagon | 21 | s = 6.39216+ | 6.603284138 | −2.11e-01 | -3.303 | behind | Found by Jonathan Viquerat in August 2026. |
| Hexagons in a pentagon | 22 | s = 6.53472+ | 6.616762015 | −8.20e-02 | -1.255 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a pentagon | 23 | s = 6.66271+ | 6.727108139 | −6.44e-02 | -0.967 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a pentagon | 24 | s = 6.77466+ | 6.894234244 | −1.20e-01 | -1.765 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a pentagon | 25 | s = 6.89098+ | 6.894112888 | −3.13e-03 | -0.045 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a pentagon | 26 | s = 7.04734+ | 7.097949920 | −5.06e-02 | -0.718 | behind | Found by Aristotle Papowitz in July 2026. |
| Hexagons in a pentagon | 27 | s = 7.15307+ | 7.243836160 | −9.08e-02 | -1.269 | behind | Found by Aristotle Papowitz in July 2026. |
| Hexagons in a pentagon | 28 | s = 7.24805+ | 7.463399196 | −2.15e-01 | -2.971 | behind | Found by Jonathan Viquerat in August 2026. |
| Hexagons in a pentagon | 29 | s = 7.37833+ | 7.406337512 | −2.80e-02 | -0.380 | behind | Found by Jonathan Viquerat in August 2026. |
| Hexagons in a pentagon | 30 | s = 7.45985+ | 7.462430944 | −2.58e-03 | -0.035 | behind | Found by Aristotle Papowitz in July 2026. |
| Hexagons in a pentagon | 31 | s = 7.63254+ | 7.821505910 | −1.89e-01 | -2.476 | behind | Found by Jonathan Viquerat in August 2026. |
| Hexagons in a pentagon | 32 | s = 7.76619+ | 7.988944739 | −2.23e-01 | -2.868 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a square | 2 | s = (1+2√3)/√2 = 3.156+ | 3.156596572 | −4.79e-08 | -0.000 | reproduced | |
| Hexagons in a square | 3 | s = 9(6–√3)/11 = 3.491+ | 3.491958452 | −2.20e-08 | -0.000 | reproduced | Found by Maurizio Morandi in March 2026. |
| Hexagons in a square | 4 | s = (7–√3)/√2 = 3.725+ | 3.725002621 | −2.43e-08 | -0.000 | reproduced | Found by Maurizio Morandi in March 2026. |
| Hexagons in a square | 5 | s = 7(3–√3)/2 = 4.437+ | 4.437822251 | −7.79e-08 | -0.000 | reproduced | Found by Maurizio Morandi in March 2026. |
| Hexagons in a square | 6 | s = 20(9–2√3)/23 = 4.813+ | 4.814309278 | −4.85e-04 | -0.010 | reproduced | Found by Maurizio Morandi in March 2026. |
| Hexagons in a square | 7 | s = 3√3 = 5.196+ | 5.196152441 | −1.85e-08 | -0.000 | reproduced | |
| Hexagons in a square | 8 | s = 3√3 = 5.196+ | 5.196169448 | −1.70e-05 | -0.000 | reproduced | |
| Hexagons in a square | 9 | s = (13–3√3)/√2 = 5.518+ | 5.586322326 | −6.82e-02 | -1.235 | behind | Found by Maurizio Morandi in March 2026. |
| Hexagons in a square | 10 | s = 6.10469+ | 6.139442824 | −3.48e-02 | -0.569 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a square | 11 | s = 6.33218+ | 6.342786233 | −1.06e-02 | -0.167 | behind | Found by Maksymilian Jankowski in April 2026. |
| Hexagons in a square | 12 | s = 43(5–√3)/22 = 6.387+ | 6.463461328 | −7.61e-02 | -1.192 | behind | Found by Maurizio Morandi in March 2026. |
| Hexagons in a square | 13 | s = 6.75549+ | 6.880645246 | −1.25e-01 | -1.853 | behind | Found by Timo Berthold et al in May 2026. |
| Hexagons in a square | 14 | s = 4√3 = 6.928+ | 6.928735303 | −5.32e-04 | -0.008 | reproduced | |
| Hexagons in a square | 15 | s = 6.96367+ | 7.471144542 | −5.07e-01 | -7.287 | behind | Found by Maksymilian Jankowski in April 2026. |
| Hexagons in a square | 16 | s = (19–5√3)/√2 = 7.311+ | 7.312060087 | −7.56e-04 | -0.010 | reproduced | Found by Maurizio Morandi in April 2026. |
| Hexagons in a square | 17 | s = 7.60383+ | 7.613511307 | −9.68e-03 | -0.127 | behind | Found by Maksymilian Jankowski in April 2026. |
| Hexagons in a square | 18 | s = 32(9–2√3)/23 = 7.702+ | 8.020652511 | −3.19e-01 | -4.136 | behind | Found by Maurizio Morandi in April 2026. |
| Hexagons in a square | 19 | s = 25(3–√3)/4 = 7.924+ | 7.935427436 | −1.07e-02 | -0.136 | behind | Found by Maurizio Morandi in April 2026. |
| Hexagons in a square | 20 | s = 74(21–4√3)/131 = 7.948+ | 8.023019262 | −7.41e-02 | -0.932 | behind | Found by Maurizio Morandi in April 2026. |
| Hexagons in a square | 21 | s = 8.381+ | 8.454500609 | −7.35e-02 | -0.877 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a square | 22 | s = 8.568+ | 8.661774136 | −9.38e-02 | -1.094 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a square | 23 | s = 5√3 = 8.660+ | 8.773274457 | −1.13e-01 | -1.305 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a square | 24 | s = 8.795+ | 8.976423306 | −1.81e-01 | -2.063 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a square | 25 | s = 30(4√3–3)/13 = 9.065+ | 9.073135561 | −8.05e-03 | -0.089 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a square | 26 | s = 9.22083+ | 9.283343907 | −6.25e-02 | -0.678 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a square | 27 | s = 9.27733+ | 9.514754089 | −2.37e-01 | -2.559 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a tan | 2 | s = 4.46410+ | 4.464101617 | −1.62e-06 | -0.000 | reproduced | |
| Hexagons in a tan | 3 | s = 4.94974+ | 4.949747470 | −7.47e-06 | -0.000 | reproduced | |
| Hexagons in a tan | 4 | s = 5.75097+ | 5.750978159 | −8.16e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 5 | s = 6.50265+ | 6.502661852 | −1.19e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 6 | s = 6.74289+ | 6.742898534 | −8.53e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 7 | s = 7.39923+ | 7.451570119 | −5.23e-02 | -0.707 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 8 | s = 7.83340+ | 7.844935132 | −1.15e-02 | -0.147 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 9 | s = 8.28267+ | 8.283291528 | −6.22e-04 | -0.008 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 10 | s = 8.53604+ | 8.956949395 | −4.21e-01 | -4.931 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 11 | s = 9.06093+ | 9.071395972 | −1.05e-02 | -0.116 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 12 | s = 9.41319+ | 9.808078313 | −3.95e-01 | -4.195 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 13 | s = 9.70087+ | 9.709132820 | −8.26e-03 | -0.085 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a tan | 14 | s = 10.03836+ | 10.443615740 | −4.05e-01 | -4.037 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 15 | s = 10.32919+ | 10.505659878 | −1.76e-01 | -1.708 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 16 | s = 10.71312+ | 11.345667211 | −6.33e-01 | -5.904 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a tan | 17 | s = 10.97884+ | 11.002867955 | −2.40e-02 | -0.219 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 18 | s = 11.27299+ | 11.722584467 | −4.50e-01 | -3.988 | behind | Found by Jonathan Viqueratl in May 2026. |
| Hexagons in a tan | 19 | s = 11.49013+ | 11.899952185 | −4.10e-01 | -3.567 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a tan | 20 | s = 11.77041+ | 12.204805030 | −4.34e-01 | -3.691 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a triangle | 2 | s = 5 | 5.000000002 | −2.00e-09 | -0.000 | reproduced | |
| Hexagons in a triangle | 3 | s = 5 | 5.000000002 | −2.00e-09 | -0.000 | reproduced | |
| Hexagons in a triangle | 4 | s = 6 | 6.000000005 | −4.96e-09 | -0.000 | reproduced | |
| Hexagons in a triangle | 5 | s = 5(1+√3)/2 = 6.8301+ | 6.830127141 | −1.22e-07 | -0.000 | reproduced | Found by Maurizio Morandi in April 2015. |
| Hexagons in a triangle | 6 | s = 2(1+√6) = 6.89897+ | 6.898982802 | −3.32e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a triangle | 7 | s = 8 | 8.000000137 | −1.37e-07 | -0.000 | reproduced | |
| Hexagons in a triangle | 8 | s = 25/3 = 8.3333+ | 8.571330343 | −2.38e-01 | -2.856 | behind | Found by Erich Friedman in April 2015. |
| Hexagons in a triangle | 9 | s = 8.64494+ | 8.660436142 | −1.55e-02 | -0.179 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a triangle | 10 | s = 5√3 = 8.6602+ | 8.724733385 | −6.45e-02 | -0.745 | behind | |
| Hexagons in a triangle | 11 | s = 9.54823+ | 9.732051441 | −1.84e-01 | -1.925 | behind | Found by Jonathan Viquerat in April 2026. |
| Hexagons in a triangle | 12 | s = 9.96429+ | 10.137567175 | −1.73e-01 | -1.739 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a triangle | 13 | s = 10.28857+ | 10.392305037 | −1.04e-01 | -1.008 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in a triangle | 14 | s = 6√3 = 10.3923+ | 10.486857122 | −9.46e-02 | -0.910 | behind | |
| Hexagons in a triangle | 15 | s = 6√3 = 10.3923+ | 10.464654420 | −7.23e-02 | -0.696 | behind | |
| Hexagons in a triangle | 16 | s = 11.36383+ | 11.667663088 | −3.04e-01 | -2.674 | behind | Found by Timo Berthold et al in May 2026. |
| Hexagons in a triangle | 17 | s = 11.63454+ | 12.099534132 | −4.65e-01 | -3.997 | behind | Found by Jonathan Viquerat in August 2026. |
| Hexagons in a triangle | 18 | s = 11.91421+ | 12.219619049 | −3.05e-01 | -2.563 | behind | Found by Jake Loyd in May 2026. |
| Hexagons in a triangle | 19 | s = 12 | 12.256864849 | −2.57e-01 | -2.141 | behind | |
| Hexagons in a triangle | 20 | s = 7√3 = 12.1243+ | 12.192384391 | −6.80e-02 | -0.561 | behind | |
| Hexagons in a triangle | 21 | s = 7√3 = 12.1243+ | 12.125851770 | −1.50e-03 | -0.012 | behind | |
| Hexagons in a triangle | 22 | s = 12.99518+ | 13.007086163 | −1.19e-02 | -0.092 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in a triangle | 23 | s = 13.39989+ | 13.442473671 | −4.26e-02 | -0.318 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a triangle | 24 | s = 13.61925+ | 13.966720728 | −3.47e-01 | -2.551 | behind | Found by Thomas Greenleaf in June 2026. |
| Hexagons in a triangle | 25 | s = 13.77683+ | 13.979257917 | −2.02e-01 | -1.469 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in a triangle | 26 | s = 7√3 = 13.85677+ | 14.023877881 | −1.67e-01 | -1.206 | behind | |
| Hexagons in a triangle | 27 | s = 7√3 = 13.85677+ | 13.968289991 | −1.12e-01 | -0.805 | behind | |
| Hexagons in a triangle | 28 | s = 7√3 = 13.85677+ | 13.962619333 | −1.06e-01 | -0.764 | behind | |
| Hexagons in a triangle | 29 | s = 14.78557+ | 15.158510811 | −3.73e-01 | -2.522 | behind | Found by Haowei Lin in July 2026. |
| Hexagons in a triangle | 30 | s = 15 | 15.145681760 | −1.46e-01 | -0.971 | behind | |
| Hexagons in a triangle | 31 | s = 15 | 15.013522906 | −1.35e-02 | -0.090 | behind | |
| Hexagons in a triangle | 32 | s = 15.47573+ | 15.593129679 | −1.17e-01 | -0.759 | behind | Found by Haowei Lin in July 2026. |
| Hexagons in an L | 2 | s = √3 = 1.73205+ | 1.732050808 | −6.93e-10 | -0.000 | reproduced | |
| Hexagons in an L | 3 | s = 1.88648+ | 1.886483830 | −3.83e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 4 | s = 2.41072+ | 2.418007196 | −7.29e-03 | -0.302 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 5 | s = 2.59807+ | 2.598076245 | −6.25e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 6 | s = 2.90072+ | 2.900723594 | −3.59e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 7 | s = 3.08493+ | 3.152617949 | −6.77e-02 | -2.194 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 8 | s = 3.26559+ | 3.285549951 | −2.00e-02 | -0.611 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 9 | s = 3.39536+ | 3.397223501 | −1.86e-03 | -0.055 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 10 | s = 2√3 = 3.46410+ | 3.464104855 | −3.24e-06 | -0.000 | reproduced | |
| Hexagons in an L | 11 | s = 3.48851+ | 3.609361556 | −1.21e-01 | -3.464 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 12 | s = 3.68106+ | 3.684491867 | −3.43e-03 | -0.093 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 13 | s = 3.94486+ | 3.953640396 | −8.78e-03 | -0.223 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 14 | s = 4.09579+ | 4.121299441 | −2.55e-02 | -0.623 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 15 | s = 4.2134+ | 4.226635280 | −1.32e-02 | -0.314 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 16 | s = 4.27526+ | 4.393725093 | −1.18e-01 | -2.771 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 17 | s = 4.51508+ | 4.559402470 | −4.43e-02 | -0.982 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 18 | s = 4.59397+ | 4.772506921 | −1.79e-01 | -3.886 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 19 | s = 4.70835+ | 4.786427500 | −7.81e-02 | -1.658 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 20 | s = 4.75480+ | 4.755577704 | −7.78e-04 | -0.016 | behind | Found by Jonathan Viquerat in June 2026. |
| Hexagons in an L | 21 | s = 4.90214+ | 4.962190930 | −6.01e-02 | -1.225 | behind | Found by Jonathan Viquerat in September 2026. |
| Hexagons in an L | 22 | s = 4.93211+ | 5.203163551 | −2.71e-01 | -5.496 | behind | Found by Jonathan Viquerat in September 2026. |
| Hexagons in an octagon | 2 | s = 2√3/(1+√2) = 1.43487+ | 1.434877871 | −5.74e-10 | -0.000 | reproduced | |
| Hexagons in an octagon | 3 | s = 3+2√6–2√2–2√3 = 1.60645+ | 1.606450746 | −6.43e-10 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 4 | s = 1.75630+ | 1.756300707 | −7.07e-07 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 5 | s = 1.98707+ | 1.987076725 | −6.72e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 6 | s = 2.16435+ | 2.166020224 | −1.67e-03 | -0.077 | behind | Found by Nicolas Campailla in May 2026. |
| Hexagons in an octagon | 7 | s = 2.18284+ | 2.185668273 | −2.83e-03 | -0.130 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 8 | s = 2.40792+ | 2.407922002 | −2.00e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 9 | s = 2.62665+ | 2.635542528 | −8.89e-03 | -0.339 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 10 | s = 2.74238+ | 2.742383805 | −3.81e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 11 | s = 4√3/(1+√2) = 2.86975+ | 2.885213255 | −1.55e-02 | -0.539 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 12 | s = 2.92139+ | 2.975953865 | −5.46e-02 | -1.868 | behind | Found by Timo Berthold et al in May 2026. |
| Hexagons in an octagon | 13 | s = 3.07201+ | 3.143116289 | −7.11e-02 | -2.315 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 14 | s = 3.13475+ | 3.157819688 | −2.31e-02 | -0.736 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 15 | s = 3.28379+ | 3.362235689 | −7.84e-02 | -2.389 | behind | Found by Timo Berthold et al in May 2026. |
| Hexagons in an octagon | 16 | s = 3.37007+ | 3.373940328 | −3.87e-03 | -0.115 | behind | Found by Timo Berthold et al in May 2026. |
| Hexagons in an octagon | 17 | s = 3.47655+ | 3.510232976 | −3.37e-02 | -0.969 | behind | Found by Jake Loyd in June 2026. |
| Hexagons in an octagon | 18 | s = 3.56008+ | 3.602195001 | −4.21e-02 | -1.183 | behind | Found by Timo Berthold et al in May 2026. |
| Hexagons in an octagon | 19 | s = 5√3/(1+√2) = 3.58719+ | 3.605927450 | −1.87e-02 | -0.522 | behind | Found by Jonathan Viquerat in May 2026. |
| Hexagons in an octagon | 20 | s = 3.72605+ | 3.733249358 | −7.20e-03 | -0.193 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in an octagon | 21 | s = 3.81006+ | 3.947977892 | −1.38e-01 | -3.620 | behind | Found by Bhavithran Ananthan in July 2026. |
| Hexagons in an octagon | 22 | s = 3.91915+ | 3.972401580 | −5.33e-02 | -1.359 | behind | Found by Thomas Greenleaf in June 2026. |
| L's in a circle | 2 | r = √13/2 = 1.802+ | 1.838477657 | −3.57e-02 | -1.981 | behind | Found by David W. Cantrell in June 2005. |
| L's in a circle | 3 | r = √305/8 = 2.183+ | 2.183031178 | −2.88e-08 | -0.000 | reproduced | Found by Maurizio Morandi in August 2007. |
| L's in a circle | 4 | r = √5 = 2.236+ | 2.467669237 | −2.32e-01 | -10.358 | behind | Found by Erich Friedman in June 2005. |
| L's in a circle | 5 | r = 2.56858+ | 2.701273547 | −1.33e-01 | -5.166 | behind | Found by Jake Loyd in June 2026. |
| L's in a circle | 6 | r = √8249/32 = 2.838+ | 2.917124492 | −7.89e-02 | -2.779 | behind | Found by Erich Friedman in June 2005. |
| L's in a circle | 7 | r = √34/2 = 2.915+ | 3.208641115 | −2.93e-01 | -10.057 | behind | Found by Erich Friedman in June 2005. |
| L's in a circle | 8 | r = √10 = 3.162+ | 3.288323765 | −1.26e-01 | -3.986 | behind | Found by Erich Friedman in June 2005. |
| L's in a circle | 9 | r = 3.36482+ | 3.494502283 | −1.30e-01 | -3.854 | behind | Found by Jake Loyd in June 2026. |
| L's in a circle | 10 | r = 3.490+ | 3.704363824 | −2.14e-01 | -6.142 | behind | Found by Maurizio Morandi in June 2026. |
| L's in a circle | 11 | r = 3.68165+ | 3.919051561 | −2.37e-01 | -6.448 | behind | Found by Jake Loyd in June 2026. |
| L's in a circle | 12 | r = 3.80266+ | 4.107243066 | −3.05e-01 | -8.010 | behind | Found by Jake Loyd in June 2026. |
| L's in a circle | 13 | r = 3.94961+ | 4.318398990 | −3.69e-01 | -9.337 | behind | Found by Jake Loyd in June 2026. |
| L's in a circle | 14 | r = √17 = 4.123+ | 4.476409698 | −3.53e-01 | -8.569 | behind | Found by David W. Cantrell in August 2007. |
| L's in a circle | 15 | r = 4.214+ | 4.389230133 | −1.75e-01 | -4.158 | behind | Found by Maurizio Morandi in August 2007. |
| L's in a circle | 16 | r = √74/2 = 4.301+ | 4.753476159 | −4.52e-01 | -10.516 | behind | Found by Maurizio Morandi in September 2008. |
| L's in a circle | 17 | r = 2√5 = 4.472+ | 4.650548801 | −1.78e-01 | -3.990 | behind | Found by Maurizio Morandi in September 2008. |
| L's in a circle | 18 | r = √86609/64 = 4.598+ | 5.006390519 | −4.08e-01 | -8.874 | behind | Found by Maurizio Morandi in September 2008. |
| L's in a circle | 19 | r = 4.70546+ | 5.137988770 | −4.33e-01 | -9.192 | behind | Found by Jake Loyd in June 2026. |
| L's in a circle | 20 | r = 4.77260+ | 5.006958019 | −2.34e-01 | -4.910 | behind | Found by Jake Loyd in June 2026. |
| L's in a circle | 21 | r = 5.09246+ | 5.617523088 | −5.25e-01 | -10.311 | behind | Found by Jonathan Viquerat in August 2026. |
| L's in a circle | 22 | r = 5.21859+ | 5.449743897 | −2.31e-01 | -4.429 | behind | Found by Jonathan Viquerat in August 2026. |
| L's in a circle | 23 | r = 5.30468+ | 5.932184358 | −6.28e-01 | -11.829 | behind | Found by Jonathan Viquerat in August 2026. |
| L's in a domino | 2 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| L's in a domino | 3 | s = 5/2 = 2.5 | 2.500000001 | −1.00e-09 | -0.000 | reproduced | |
| L's in a domino | 4 | s = 6(1+√2)/5 = 2.897+ | 3.000000013 | −1.03e-01 | -3.553 | behind | Found by Erich Friedman in April 2026. |
| L's in a domino | 5 | s = 3 | 3.000000001 | −1.20e-09 | -0.000 | reproduced | |
| L's in a domino | 6 | s = 3 | 3.000000001 | −1.20e-09 | -0.000 | reproduced | |
| L's in a domino | 7 | s = 7/3+√2 = 3.747+ | 4.000000002 | −2.52e-01 | -6.737 | behind | Found by Erich Friedman in April 2026. |
| L's in a domino | 8 | s = 4 | 4.000374442 | −3.74e-04 | -0.009 | behind | |
| L's in a domino | 9 | s = 4 | 4.059665940 | −5.97e-02 | -1.492 | behind | |
| L's in a domino | 10 | s = 4 | 4.098558160 | −9.86e-02 | -2.464 | behind | |
| L's in a domino | 11 | s = 3(6+√2)/5 = 4.448+ | 4.514999983 | −6.65e-02 | -1.494 | behind | Found by Maurizio Morandi in April 2026. |
| L's in a domino | 12 | s = 9/2 = 4.5 | 4.519711236 | −1.97e-02 | -0.438 | reproduced | |
| L's in a domino | 13 | s = (14+11√2)/6 = 4.926+ | 5.514782547 | −5.89e-01 | -11.951 | behind | Found by Maurizio Morandi in April 2026. |
| L's in a domino | 14 | s = 5 | 5.520838956 | −5.21e-01 | -10.417 | behind | |
| L's in a domino | 15 | s = 5 | 5.213747181 | −2.14e-01 | -4.275 | behind | |
| L's in a domino | 16 | s = 5 | 6.007645836 | −1.0076 | -20.153 | behind | |
| L's in a domino | 17 | s = 3+7√2/4 = 5.474+ | 5.879531928 | −4.05e-01 | -7.392 | behind | Found by Maurizio Morandi in April 2026. |
| L's in a domino | 18 | s = 11/2 = 5.5 | 6.777301300 | −1.2773 | -23.224 | behind | |
| L's in a domino | 19 | s = 3+2√2 = 5.828+ | 6.000163758 | −1.72e-01 | -2.947 | behind | Found by Maurizio Morandi in April 2026. |
| L's in a domino | 20 | s = 6 | 6.737304419 | −7.37e-01 | -12.288 | behind | |
| L's in a domino | 21 | s = 6 | 6.002026411 | −2.03e-03 | -0.034 | behind | |
| L's in a domino | 22 | s = 6 | 6.125135880 | −1.25e-01 | -2.086 | behind | |
| L's in a domino | 23 | s = 6 | 6.158544202 | −1.59e-01 | -2.642 | behind | |
| L's in a domino | 24 | s = 6 | 7.335283642 | −1.3353 | -22.255 | behind | |
| L's in a hexagon | 2 | s = 12^(1/4) = 1.861+ | 1.861209719 | −7.45e-10 | -0.000 | reproduced | Found by Maurizio Morandi in May 2026. |
| L's in a hexagon | 3 | s = 1/2 + √3 = 2.232+ | 2.345396256 | −1.13e-01 | -5.078 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a hexagon | 4 | s = 2.50337+ | 2.597045137 | −9.37e-02 | -3.742 | behind | Found by Jake Loyd in June 2026. |
| L's in a hexagon | 5 | s = 2.85988+ | 3.016462853 | −1.57e-01 | -5.475 | behind | Found by Jake Loyd in May 2026 |
| L's in a hexagon | 6 | s = 3.04254+ | 3.296724953 | −2.54e-01 | -8.354 | behind | Found by Jake Loyd in June 2026. |
| L's in a hexagon | 7 | s = 3.25359+ | 3.481010864 | −2.27e-01 | -6.990 | behind | Found by Jake Loyd in June 2026. |
| L's in a hexagon | 8 | s = 2√3 = 3.464+ | 3.660155527 | −1.96e-01 | -5.660 | behind | |
| L's in a hexagon | 9 | s = 3.65374+ | 3.730611769 | −7.69e-02 | -2.104 | behind | Found by Jake Loyd in June 2026. |
| L's in a hexagon | 10 | s = 3.80531+ | 4.143900398 | −3.39e-01 | -8.898 | behind | Found by Jake Loyd in June 2026. |
| L's in a hexagon | 11 | s = 7/√3 = 4.041+ | 4.170520155 | −1.29e-01 | -3.194 | behind | |
| L's in a hexagon | 12 | s = 4.15868+ | 4.618802156 | −4.60e-01 | -11.064 | behind | Found by Jake Loyd in June 2026. |
| L's in a hexagon | 13 | s = 4.33273+ | 4.796461635 | −4.64e-01 | -10.703 | behind | Found by Jake Loyd in June 2026. |
| L's in a hexagon | 14 | s = 4.46716+ | 4.812697970 | −3.46e-01 | -7.735 | behind | Found by Jake Loyd in June 2026. |
| L's in a hexagon | 15 | s = 8/√3 = 4.61880+ | 5.004881514 | −3.86e-01 | -8.359 | behind | |
| L's in a hexagon | 16 | s = 4.72806+ | 5.209188115 | −4.81e-01 | -10.176 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a hexagon | 17 | s = 4.93064+ | 5.826276567 | −8.96e-01 | -18.165 | behind | Found by Aaden Abraham in July 2026. |
| L's in a hexagon | 18 | s = 5.09795+ | 5.196301569 | −9.84e-02 | -1.929 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a hexagon | 19 | s = 3√3 = 5.19615+ | 5.316509961 | −1.20e-01 | -2.316 | behind | Found by Maurizio Morandi in July 2026. |
| L's in a hexagon | 20 | s = 2+17√3/9 = 5.27165+ | 5.653607000 | −3.82e-01 | -7.245 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a hexagon | 21 | s = (13+5√3)/4 = 5.41506+ | 5.607170102 | −1.92e-01 | -3.548 | behind | Found by Maurizio Morandi in July 2026. |
| L's in a hexagon | 22 | s = 7(1+1/√3)/2 = 5.52072+ | 5.759468273 | −2.39e-01 | -4.324 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a hexagon | 23 | s = 7√6/3 = 5.71547+ | 5.842662889 | −1.27e-01 | -2.225 | behind | Found by Aaden Abraham in July 2026. |
| L's in a hexagon | 24 | s = 10/√3 = 5.77350+ | 6.852530162 | −1.0790 | -18.689 | behind | Found by Aaden Abraham in July 2026. |
| L's in a hexagon | 25 | s = 7/3+2√3 = 5.79743+ | 6.670881300 | −8.73e-01 | -15.066 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a hexagon | 26 | s = 9/2+5√3/6 = 5.94337+ | 6.497263970 | −5.54e-01 | -9.319 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a hexagon | 27 | s = 9/2+11√3/12 = 6.08771+ | 6.690304008 | −6.03e-01 | -9.898 | behind | Found by Maurizio Morandi in July 2026. |
| L's in a hexagon | 28 | s = 7/2+19√/12 = 6.24241+ | 6.755081205 | −5.13e-01 | -8.213 | behind | Found by Maurizio Morandi in July 2026. |
| L's in a hexagon | 29 | s = 11/√3 = 6.35085+ | 6.979601795 | −6.29e-01 | -9.900 | behind | Found by Aaden Abraham in July 2026. |
| L's in a hexagon | 30 | s = (11+√3)/2 = 6.36602+ | 6.999862792 | −6.34e-01 | -9.957 | behind | Found by Maurizio Morandi in July 2026. |
| L's in a pentagon | 2 | s = 2.33322+ | 2.333225280 | −5.28e-06 | -0.000 | reproduced | |
| L's in a pentagon | 3 | s = 2.79081+ | 2.835425599 | −4.46e-02 | -1.599 | behind | Found by Jonathan Viquerat in May 2026. |
| L's in a pentagon | 4 | s = 3.07149+ | 3.071493579 | −3.58e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| L's in a pentagon | 5 | s = 3.41569+ | 3.534744261 | −1.19e-01 | -3.486 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 6 | s = 3.74743+ | 3.866262935 | −1.19e-01 | -3.171 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 7 | s = 3.96756+ | 4.230121800 | −2.63e-01 | -6.618 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 8 | s = 4.25642+ | 4.348816400 | −9.24e-02 | -2.171 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 9 | s = 4.50713+ | 4.786312823 | −2.79e-01 | -6.194 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 10 | s = 3√5–3+3√(1–2/√5) = 4.65767+ | 4.896305721 | −2.13e-01 | -4.580 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 11 | s = 4.86103+ | 5.499103726 | −6.38e-01 | -13.126 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 12 | s = 5.07519+ | 5.589446321 | −5.14e-01 | -10.133 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 13 | s = 5.29475+ | 5.447805637 | −1.53e-01 | -2.891 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 14 | s = 5.49989+ | 5.641632514 | −1.42e-01 | -2.577 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 15 | s = 5.63035+ | 5.866756194 | −2.36e-01 | -4.199 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 16 | s = 5.77738+ | 6.333255302 | −5.56e-01 | -9.622 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 17 | s = 5.92697+ | 6.149545169 | −2.23e-01 | -3.755 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 18 | s = 6.16318+ | 6.882869254 | −7.20e-01 | -11.677 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 19 | s = 6.33939+ | 6.588545708 | −2.49e-01 | -3.930 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 20 | s = 6.45886+ | 7.059241382 | −6.00e-01 | -9.295 | behind | Found by Jake Loyd in June 2026. |
| L's in a pentagon | 21 | s = 4√5–7/2+√(25–10√5) = 7.06887+ | 7.301104174 | −2.32e-01 | -3.285 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a pentagon | 22 | s = 4√5–7/2+√(25–10√5) = 7.06887+ | 7.433872086 | −3.65e-01 | -5.164 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a pentagon | 23 | s = 4√5–7/2+√(25–10√5) = 7.06887+ | 8.213220212 | −1.1443 | -16.189 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a pentagon | 24 | s = 4√5–7/2+√(25–10√5) = 7.06887+ | 7.560596580 | −4.92e-01 | -6.956 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a pentagon | 25 | s = 7√5–14+18√(1–2/√5) = 7.50103+ | 9.152320621 | −1.6513 | -22.014 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a pentagon | 26 | s = 7√5–14+18√(1–2/√5) = 7.50103+ | 9.256622641 | −1.7556 | -23.405 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a pentagon | 27 | s = 7√5–14+18√(1–2/√5) = 7.50103+ | 9.495205364 | −1.9942 | -26.585 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a pentagon | 28 | s = 4√5–3+6√(1–2/√5) = 7.89379+ | 10.273501020 | −2.3797 | -30.147 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a pentagon | 29 | s = 4√5–3+6√(1–2/√5) = 7.89379+ | 7.919210282 | −2.54e-02 | -0.322 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a pentagon | 30 | s = 4√5–3+6√(1–2/√5) = 7.89379+ | 11.164303847 | −3.2705 | -41.431 | behind | Found by Maurizio Morandi in August 2026. |
| L's in a square | 2 | s = 3 | 3.000000001 | −1.20e-09 | -0.000 | reproduced | |
| L's in a square | 3 | s = (3 + 3√2) / 2 = 3.621+ | 3.621320345 | −1.45e-09 | -0.000 | reproduced | Found by Serhiy Grabarchuk in July 2005. |
| L's in a square | 4 | s = 4 | 4.000000002 | −1.60e-09 | -0.000 | reproduced | |
| L's in a square | 5 | s = 4 | 4.687741121 | −6.88e-01 | -17.194 | behind | |
| L's in a square | 6 | s = 7 / √2 = 4.949+ | 5.000000002 | −5.03e-02 | -1.015 | behind | Found by Erich Friedman in June 2005. |
| L's in a square | 7 | s = 5 | 5.559648748 | −5.60e-01 | -11.193 | behind | |
| L's in a square | 8 | s = 5 | 6.000000105 | −1.0000 | -20.000 | behind | |
| L's in a square | 9 | s = 5.81902+ | 6.001666798 | −1.83e-01 | -3.139 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a square | 10 | s = 6 | 6.000003240 | −3.24e-06 | -0.000 | reproduced | |
| L's in a square | 11 | s = 6 | 6.190161464 | −1.90e-01 | -3.169 | behind | |
| L's in a square | 12 | s = 6 | 6.000084194 | −8.42e-05 | -0.001 | behind | |
| L's in a square | 13 | s = 4 + 2√2 = 6.828+ | 7.240894024 | −4.12e-01 | -6.041 | behind | Found by Maurizio Morandi in June 2012. |
| L's in a square | 14 | s = 7 | 7.951601482 | −9.52e-01 | -13.594 | behind | |
| L's in a square | 15 | s = 7 | 8.416133301 | −1.4161 | -20.230 | behind | |
| L's in a square | 16 | s = 7 | 8.014047892 | −1.0140 | -14.486 | behind | |
| L's in a square | 17 | s = 19/3 + √2 = 7.747+ | 9.705806161 | −1.9583 | -25.278 | behind | Found by Maurizio Morandi in June 2012. |
| L's in a square | 18 | s = 13/2 + √2 = 7.914+ | 9.869962235 | −1.9557 | -24.713 | behind | Found by Maurizio Morandi in June 2012. |
| L's in a square | 19 | s = 8 | 8.004256597 | −4.26e-03 | -0.053 | behind | |
| L's in a square | 20 | s = 8 | 8.004886225 | −4.89e-03 | -0.061 | behind | |
| L's in a square | 21 | s = 8 | 9.007947202 | −1.0079 | -12.599 | behind | |
| L's in a square | 22 | s = 3 + 4√2 = 8.656+ | 9.979855242 | −1.3230 | -15.284 | behind | Found by Maurizio Morandi in June 2012. |
| L's in a square | 23 | s = 15/2 + √2 = 8.914+ | 9.001503714 | −8.73e-02 | -0.979 | behind | Found by Maurizio Morandi in June 2012. |
| L's in a square | 24 | s = 9 | 11.074372884 | −2.0744 | -23.049 | behind | |
| L's in a square | 25 | s = 9 | 12.298400800 | −3.2984 | -36.649 | behind | |
| L's in a square | 26 | s = 9 | 12.166465678 | −3.1665 | -35.183 | behind | |
| L's in a square | 27 | s = 9 | 10.009685870 | −1.0097 | -11.219 | behind | |
| L's in a square | 28 | s = 7 + 2√2 = 9.828+ | 11.238526973 | −1.4101 | -14.348 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a tan | 2 | s = 3√2 = 4.242+ | 4.242640689 | −1.70e-09 | -0.000 | reproduced | |
| L's in a tan | 3 | s = 5 | 5.000000002 | −2.00e-09 | -0.000 | reproduced | |
| L's in a tan | 4 | s = 4√2 = 5.656+ | 5.828427144 | −1.72e-01 | -3.033 | behind | Found by Maurizio Morandi in July 2012 |
| L's in a tan | 5 | s = 2 + 3√2 = 6.242+ | 6.949771383 | −7.07e-01 | -11.329 | behind | Found by Maurizio Morandi in July 2012. |
| L's in a tan | 6 | s = 7 | 7.000185567 | −1.86e-04 | -0.003 | behind | |
| L's in a tan | 7 | s = 7 | 7.778174656 | −7.78e-01 | -11.117 | behind | |
| L's in a tan | 8 | s = 11/√2 = 7.778+ | 8.242640845 | −4.64e-01 | -5.972 | behind | |
| L's in a tan | 9 | s = 8 | 9.192388567 | −1.1924 | -14.905 | behind | |
| L's in a tan | 10 | s = 6√2 = 8.485+ | 8.868376058 | −3.83e-01 | -4.515 | behind | |
| L's in a tan | 11 | s = 9 | 9.003645016 | −3.65e-03 | -0.041 | behind | |
| L's in a tan | 12 | s = 9 | 9.903497756 | −9.03e-01 | -10.039 | behind | |
| L's in a tan | 13 | s = 2 + 11/√2 = 9.778+ | 10.801757451 | −1.0236 | -10.468 | behind | Found by Maurizio Morandi in July 2012. |
| L's in a tan | 14 | s = 7√2 = 9.899+ | 11.242640885 | −1.3431 | -13.569 | behind | |
| L's in a tan | 15 | s = 10 | 11.137117314 | −1.1371 | -11.371 | behind | |
| L's in a tan | 16 | s = 15/√2 = 10.606+ | 11.008200014 | −4.02e-01 | -3.787 | behind | |
| L's in a tan | 17 | s = 8 + 2√2 = 10.828+ | 11.007000945 | −1.79e-01 | -1.649 | behind | Found by Maurizio Morandi in January 2025. |
| L's in a tan | 18 | s = 11 | 12.353970185 | −1.3540 | -12.309 | behind | |
| L's in a tan | 19 | s = 8√2 = 11.313+ | 12.005596071 | −6.92e-01 | -6.116 | behind | Found by Maurizio Morandi in January 2025. |
| L's in a tan | 20 | s = 4 + 11/√2 = 11.778+ | 15.788035212 | −4.0099 | -34.045 | behind | Found by Maurizio Morandi in January 2025. |
| L's in a tan | 21 | s = 12 | 12.828699113 | −8.29e-01 | -6.906 | behind | |
| L's in a tan | 22 | s = 12 | 14.471002634 | −2.4710 | -20.592 | behind | |
| L's in a triangle | 2 | s = 4 + 2/√3 = 5.15470+ | 5.154700540 | −2.06e-09 | -0.000 | reproduced | |
| L's in a triangle | 3 | s = 3 + 3√3/2 = 5.59807+ | 5.598076214 | −2.24e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| L's in a triangle | 4 | s = 6.58646+ | 6.618802177 | −3.23e-02 | -0.491 | behind | Found by Jonathan Viquerat in May 2026. |
| L's in a triangle | 5 | s = 6 + 2/√3 = 7.15470+ | 7.386751549 | −2.32e-01 | -3.243 | behind | Found by Jonathan Viquerat in May 2026. |
| L's in a triangle | 6 | s = 4 + 2√3 = 7.46410+ | 7.732050956 | −2.68e-01 | -3.590 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 7 | s = 7 + 2/√3 = 8.15470+ | 8.309401124 | −1.55e-01 | -1.897 | behind | Found by Jonathan Viquerat in May 2026. |
| L's in a triangle | 8 | s = 7 + √3 = 8.73205+ | 9.308578082 | −5.77e-01 | -6.602 | behind | Found by Jonathan Viquerat in May 2026. |
| L's in a triangle | 9 | s = 5 + 7/√3 = 9.04145+ | 9.389690663 | −3.48e-01 | -3.852 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 10 | s = 6 + 2√3 = 9.46410+ | 10.158671484 | −6.95e-01 | -7.339 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 11 | s = 4 + 10/√3 = 9.77350+ | 10.543669557 | −7.70e-01 | -7.880 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 12 | s = 10.30175+ | 11.104703966 | −8.03e-01 | -7.794 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 13 | s = 9 + √3 = 10.73205+ | 11.598910760 | −8.67e-01 | -8.077 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 14 | s = 7 + 7/√3 = 11.04145+ | 12.033956750 | −9.93e-01 | -8.989 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 15 | s = 5 + 11/√3 = 11.35085+ | 12.044698914 | −6.94e-01 | -6.113 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 16 | s = 10 + √3 = 11.73205+ | 12.183715088 | −4.52e-01 | -3.850 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 17 | s = 4 + 14/√3 = 12.08290+ | 12.733696635 | −6.51e-01 | -5.386 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 18 | s = 9 + 2√3 = 12.46410+ | 13.701406967 | −1.2373 | -9.927 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 19 | s = 11 + √3 = 12.73205+ | 13.313289332 | −5.81e-01 | -4.565 | behind | Found by Maurizio Morandi in May 2026. |
| L's in a triangle | 20 | s = 13.00966+ | 13.624588726 | −6.15e-01 | -4.727 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 21 | s = 13.30935+ | 13.806774338 | −4.97e-01 | -3.737 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 22 | s = 2 + 20/√3 = 13.54700+ | 14.279556029 | −7.33e-01 | -5.407 | behind | Found by Maurizio Morandi in June 2026. |
| L's in a triangle | 23 | s = 14.19776+ | 15.888888496 | −1.6911 | -11.911 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 24 | s = 15.00964+ | 15.507431689 | −4.98e-01 | -3.316 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 25 | s = 15.20151+ | 16.338080284 | −1.1366 | -7.477 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 26 | s = 15.22482+ | 15.285748525 | −6.09e-02 | -0.400 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 27 | s = 15.65894+ | 18.004449727 | −2.3455 | -14.979 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 28 | s = 16.14341+ | 17.751403312 | −1.6080 | -9.961 | behind | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 29 | s = 16.39862+ | 16.248807784 | +1.50e-01 | 0.914 | beaten | Found by Aapo Lipponen in July 2026. |
| L's in a triangle | 30 | s = 16.46648+ | 16.387913898 | +7.86e-02 | 0.477 | beaten | Found by Aapo Lipponen in July 2026. |
| L's in an L | 2 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| L's in an L | 3 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| L's in an L | 4 | s = 2 | 2.500000035 | −5.00e-01 | -25.000 | behind | |
| L's in an L | 5 | s = 5/2 = 2.5 | 2.766058055 | −2.66e-01 | -10.642 | behind | |
| L's in an L | 6 | s = 1 + 4√2/3 = 2.885+ | 3.000000001 | −1.14e-01 | -3.965 | behind | Found by Maurizio Morandi in July 2012. |
| L's in an L | 7 | s = 3 | 3.000000008 | −7.80e-09 | -0.000 | reproduced | |
| L's in an L | 8 | s = 3 | 3.024069525 | −2.41e-02 | -0.802 | behind | |
| L's in an L | 9 | s = 3 | 3.616929642 | −6.17e-01 | -20.564 | behind | |
| L's in an L | 10 | s = 7/2 = 3.5 | 3.988150976 | −4.88e-01 | -13.947 | behind | |
| L's in an L | 11 | s = 7/3 + √2 = 3.747+ | 4.009766409 | −2.62e-01 | -6.998 | behind | Found by Maurizio Morandi in July 2012. |
| L's in an L | 12 | s = (19 + 9√2) / 8 = 3.965+ | 4.014630916 | −4.86e-02 | -1.227 | behind | Found by Maurizio Morandi in July 2012. |
| L's in an L | 13 | s = 4 | 4.119791710 | −1.20e-01 | -2.995 | behind | |
| L's in an L | 14 | s = 4 | 4.001371943 | −1.37e-03 | -0.034 | behind | |
| L's in an L | 15 | s = 4 | 4.463028414 | −4.63e-01 | -11.576 | behind | |
| L's in an L | 16 | s = 4 | 4.531039045 | −5.31e-01 | -13.276 | behind | |
| L's in an L | 17 | s = 9/2 = 4.5 | 5.009163648 | −5.09e-01 | -11.315 | behind | |
| L's in an L | 18 | s = 9/2 = 4.5 | 5.000241007 | −5.00e-01 | -11.116 | behind | |
| L's in an L | 19 | s = 3 + 5√2/4 = 4.767+ | 5.069744837 | −3.02e-01 | -6.335 | behind | Found by Maurizio Morandi in June 2026. |
| L's in an L | 20 | s = 3(6 + 5√2)/8 = 4.901+ | 5.003695349 | −1.02e-01 | -2.082 | behind | Found by Maurizio Morandi in June 2026. |
| L's in an L | 21 | s = 5 | 5.179017747 | −1.79e-01 | -3.580 | behind | |
| L's in an L | 22 | s = 5 | 5.539286028 | −5.39e-01 | -10.786 | behind | |
| L's in an L | 23 | s = 5 | 5.524807816 | −5.25e-01 | -10.496 | behind | |
| L's in an L | 24 | s = 5 | 6.007678155 | −1.0077 | -20.154 | behind | |
| L's in an L | 25 | s = 5 | 6.037571023 | −1.0376 | -20.751 | behind | |
| L's in an octagon | 2 | s = √(5–√2–√(8√2–9)) = 1.43690+ | 1.436905880 | −5.75e-10 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| L's in an octagon | 3 | s = 10(3–2√2) = 1.71572+ | 1.734478077 | −1.87e-02 | -1.093 | behind | Found by Aapo Lipponen in July 2026. |
| L's in an octagon | 4 | s = 3(2–√2) = 1.75735+ | 1.984773653 | −2.27e-01 | -12.941 | behind | Found by Aapo Lipponen in July 2026 |
| L's in an octagon | 5 | s = 5/(1+√2) = 2.07106+ | 2.071067850 | −3.82e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026 |
| L's in an octagon | 6 | s = 13(3–2√2) = 2.23044+ | 2.414213600 | −1.84e-01 | -8.239 | behind | Found by Jonathan Viquerat in May 2026. |
| L's in an octagon | 7 | s = 4(2–√2) = 2.34314+ | 2.574118585 | −2.31e-01 | -9.857 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 8 | s = 6(√2–1) = 2.48528+ | 2.536326847 | −5.10e-02 | -2.054 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 9 | s = 11(3√2–4) = 2.66904+ | 2.861793004 | −1.93e-01 | -7.222 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 10 | s = 2(11–√2)/7 = 2.73879+ | 3.111391110 | −3.73e-01 | -13.604 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 11 | s = 7(√2–1) = 2.89949+ | 3.139674404 | −2.40e-01 | -8.284 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 12 | s = 5(2–√2) = 2.92893+ | 3.299621604 | −3.71e-01 | -12.656 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 13 | s = 13(3√2–4) = 3.15432+ | 3.314640731 | −1.60e-01 | -5.082 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 14 | s = 5(4√2–5) = 3.28427+ | 3.541263623 | −2.57e-01 | -7.825 | behind | Found by Maurizio Morandi in August 2026. |
| L's in an octagon | 15 | s = 25(8–5√2)/7 = 3.31761+ | 3.454278732 | −1.37e-01 | -4.119 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 16 | s = 20(3–2√2) = 3.43145+ | 3.813869370 | −3.82e-01 | -11.144 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 17 | s = 6(2–√2) = 3.51471+ | 4.187220735 | −6.73e-01 | -19.134 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 18 | s = 25(2–√2)/4 = 3.66116+ | 3.811264717 | −1.50e-01 | -4.100 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 19 | s = 9(√2–1) = 3.72792+ | 4.048003676 | −3.20e-01 | -8.586 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 20 | s = 22(3–2√2) = 3.77460+ | 4.047569142 | −2.73e-01 | -7.232 | behind | Found by Maurizio Morandi in May 2026. |
| L's in an octagon | 21 | s = 16(3√2–4) = 3.88225+ | 4.268214483 | −3.86e-01 | -9.942 | behind | Found by Maurizio Morandi in August 2026. |
| L's in an octagon | 22 | s = 27(2–√2)/4 = 3.95405+ | 4.409123544 | −4.55e-01 | -11.509 | behind | Found by Maurizio Morandi in July 2026. |
| L's in an octagon | 23 | s = 7(2–√2) = 4.10050+ | 4.255395259 | −1.55e-01 | -3.777 | behind | Found by Maurizio Morandi in July 2026. |
| L's in an octagon | 24 | s = 10(√2–1) = 4.14213+ | 5.062687516 | −9.21e-01 | -22.224 | behind | Found by Maurizio Morandi in July 2026. |
| L's in an octagon | 25 | s = 10(√2–1) = 4.14213+ | 4.743914781 | −6.02e-01 | -14.528 | behind | Found by Maurizio Morandi in July 2026. |
| L's in an octagon | 26 | s = 25(3–2√2) = 4.28932+ | 4.828461170 | −5.39e-01 | -12.569 | behind | Found by Maurizio Morandi in July 2026. |
| L's in an octagon | 27 | s = 15(1–1/√2) = 4.39339+ | 4.611055926 | −2.18e-01 | -4.954 | behind | Found by Maurizio Morandi in July 2026. |
| L's in an octagon | 28 | s = 31(2–√2)/4 = 4.53984+ | 4.694260845 | −1.54e-01 | -3.401 | behind | Found by Maurizio Morandi in July 2026. |
| L's in an octagon | 29 | s = 11(√2–1) = 4.55634+ | 5.178420005 | −6.22e-01 | -13.653 | behind | Found by Maurizio Morandi in July 2026. |
| L's in an octagon | 30 | s = 11(√2–1) = 4.55634+ | 5.649494197 | −1.0931 | -23.992 | behind | Found by Maurizio Morandi in July 2026. |
| Octagons in a circle | 2 | r = √(13/4+2√2) = 2.46544+ | 2.465446649 | −1.14e-08 | -0.000 | reproduced | |
| Octagons in a circle | 3 | r = 2.71611+ | 2.716111075 | −1.07e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 4 | r = √(9/2+3√2) = 2.95679+ | 2.956795711 | −3.19e-08 | -0.000 | reproduced | |
| Octagons in a circle | 5 | r = 3.37974+ | 3.379820258 | −8.03e-05 | -0.002 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 6 | r = 3.69797+ | 3.697970689 | −6.89e-07 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 7 | r = 3.77329+ | 3.773295999 | −6.00e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 8 | r = 4.12460+ | 4.124607953 | −7.95e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 9 | r = 4.46088+ | 4.460885628 | −5.63e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 10 | r = 4.72215+ | 4.734565567 | −1.24e-02 | -0.263 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 11 | r = 4.88201+ | 4.928760828 | −4.68e-02 | -0.958 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 12 | r = 5.00001+ | 5.012459081 | −1.24e-02 | -0.249 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 13 | r = 5.23457+ | 5.236575556 | −2.01e-03 | -0.038 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 14 | r = 5.34130+ | 5.342875543 | −1.58e-03 | -0.029 | behind | Found by Haowei Lin in July 2026. |
| Octagons in a circle | 15 | r = 5.60687+ | 5.667142634 | −6.03e-02 | -1.075 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 16 | r = 5.73295+ | 5.737432741 | −4.48e-03 | -0.078 | behind | Found by Haowei Lin in July 2026. |
| Octagons in a circle | 17 | r = 5.94448+ | 5.997766318 | −5.33e-02 | -0.896 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 18 | r = 6.05966+ | 6.061644054 | −1.98e-03 | -0.033 | behind | Found by Haowei Lin in July 2026. |
| Octagons in a circle | 19 | r = 6.07328+ | 6.113552674 | −4.03e-02 | -0.663 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a circle | 20 | r = 6.36724+ | 6.371636086 | −4.40e-03 | -0.069 | behind | Found by Haowei Lin in July 2026. |
| Octagons in a circle | 21 | r = 6.48101+ | 6.611823149 | −1.31e-01 | -2.018 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a circle | 22 | r = 6.70466+ | 6.728243837 | −2.36e-02 | -0.352 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a circle | 23 | r = 6.85820+ | 7.042142331 | −1.84e-01 | -2.682 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a circle | 24 | r = 6.96998+ | 7.246050265 | −2.76e-01 | -3.961 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a circle | 25 | r = 7.12165+ | 7.149872981 | −2.82e-02 | -0.396 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a domino | 2 | s = 1 + √2 = 2.41421+ | 2.414213563 | −9.66e-10 | -0.000 | reproduced | |
| Octagons in a domino | 3 | s = 3.51366+ | 3.513669803 | −9.80e-06 | -0.000 | reproduced | Found by Aapo Lipponen in July 2026. |
| Octagons in a domino | 4 | s = 2 + 7√2/5 = 3.97989+ | 3.979898989 | −1.59e-09 | -0.000 | reproduced | Found by Aapo Lipponen in July 2026. |
| Octagons in a domino | 5 | s = 13/6 + 3/√2 = 4.28798+ | 4.287987012 | −1.72e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 6 | s = (16 + 11√2)/7 = 4.50804+ | 4.508049886 | −1.80e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 7 | s = 2 + 2√2 = 4.82842+ | 4.828427207 | −8.20e-08 | -0.000 | reproduced | |
| Octagons in a domino | 8 | s = 2 + 2√2 = 4.82842+ | 4.828427127 | −2.05e-09 | -0.000 | reproduced | |
| Octagons in a domino | 9 | s = 8/3 + 2√2 = 5.49509+ | 5.498073907 | −2.98e-03 | -0.054 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 10 | s = 3 + 2√2 = 5.82842+ | 5.887046420 | −5.86e-02 | -1.006 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 11 | s = 16/5 + 2√2 = 6.02842+ | 6.028486462 | −5.93e-05 | -0.001 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 12 | s = 6.31126+ | 6.311649619 | −3.90e-04 | -0.006 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 13 | s = 6.51128+ | 6.564719387 | −5.34e-02 | -0.821 | behind | Found by Aapo Lipponen in July 2026. |
| Octagons in a domino | 14 | s = (21 + 13√2)/6 = 6.56412+ | 6.565255911 | −1.13e-03 | -0.017 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 15 | s = (47 + 29√2)/13 = 6.77016+ | 6.773696874 | −3.53e-03 | -0.052 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 16 | s = 7.10456+ | 7.203698308 | −9.91e-02 | -1.395 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 17 | s = 3 + 3√2 = 7.24264+ | 7.247614754 | −4.97e-03 | -0.069 | behind | |
| Octagons in a domino | 18 | s = 3 + 3√2 = 7.24264+ | 7.244382766 | −1.74e-03 | -0.024 | behind | |
| Octagons in a domino | 19 | s = 7.77123+ | 8.093879707 | −3.23e-01 | -4.152 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 20 | s = 8.03947+ | 8.163785164 | −1.24e-01 | -1.546 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a domino | 21 | s = 8.21837+ | 8.244426701 | −2.61e-02 | -0.317 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a domino | 22 | s = 8.34004+ | 8.396834751 | −5.68e-02 | -0.681 | behind | Found by Thomas Greenleaf in June 2026. |
| Octagons in a hexagon | 2 | s = 2.70289+ | 2.702888728 | +1.27e-06 | 0.000 | reproduced | |
| Octagons in a hexagon | 3 | s = 2.88958+ | 2.889628768 | −4.88e-05 | -0.002 | behind | Found by Mohamed Metwalli in June 2026. |
| Octagons in a hexagon | 4 | s = 11+8√2–16/√3–4√6 = 3.27814+ | 3.278145237 | −1.64e-08 | -0.000 | reproduced | Found by Mohamed Metwalli in June 2026. |
| Octagons in a hexagon | 5 | s = 3.71848+ | 3.718485425 | −5.42e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 6 | s = 3.94730+ | 3.947306375 | −6.38e-06 | -0.000 | reproduced | Found by Aristotle Papowitz in July 2026. |
| Octagons in a hexagon | 7 | s = 3.97716+ | 3.977162459 | −2.46e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 8 | s = 4.56653+ | 4.566540151 | −1.02e-05 | -0.000 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 9 | s = 4.93304+ | 4.933045515 | −5.51e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 10 | s = 5.06929+ | 5.096117760 | −2.68e-02 | -0.529 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 11 | s = 5.34796+ | 5.377736880 | −2.98e-02 | -0.557 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a hexagon | 12 | s = 5.38669+ | 5.404365212 | −1.77e-02 | -0.328 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 13 | s = 5.75470+ | 5.769627955 | −1.49e-02 | -0.259 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 14 | s = 5.77752+ | 5.789778162 | −1.23e-02 | -0.212 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 15 | s = 6.13744+ | 6.167523051 | −3.01e-02 | -0.490 | behind | Found by Bhavithran Ananthan in June 2026. |
| Octagons in a hexagon | 16 | s = 6.21438+ | 6.216000707 | −1.62e-03 | -0.026 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 17 | s = 6.35725+ | 6.435913850 | −7.87e-02 | -1.237 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in a hexagon | 18 | s = 6.42774+ | 6.467107797 | −3.94e-02 | -0.612 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a hexagon | 19 | s = 6.44696+ | 6.453901322 | −6.94e-03 | -0.108 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a hexagon | 20 | s = 6.99419+ | 7.105167231 | −1.11e-01 | -1.587 | behind | Found by Leo Strijbos in August 2026. |
| Octagons in a pentagon | 2 | s = 3.35605+ | 3.356053089 | −3.09e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 3 | s = 3.74411+ | 3.744125629 | −1.56e-05 | -0.000 | behind | Found by Bhavithran Ananthan in May 2026. |
| Octagons in a pentagon | 4 | s = 4.10125+ | 4.101259755 | −9.76e-06 | -0.000 | reproduced | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a pentagon | 5 | s = 4.33300+ | 4.338166880 | −5.17e-03 | -0.119 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 6 | s = 4.77007+ | 4.770075637 | −5.64e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 7 | s = = 5.25544+ | 5.255443053 | −3.05e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 8 | s = 5.61662+ | 5.616625037 | −5.04e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 9 | s = 5.96580+ | 5.966496329 | −6.96e-04 | -0.012 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 10 | s = 6.28146+ | 6.281467372 | −7.37e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 11 | s = 6.46576+ | 6.477600748 | −1.18e-02 | -0.183 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 12 | s = 6.71763+ | 6.765336264 | −4.77e-02 | -0.710 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 13 | s = 6.97061+ | 7.006375605 | −3.58e-02 | -0.513 | behind | Found by Aapo Lipponen in July 2026. |
| Octagons in a pentagon | 14 | s = 7.16083+ | 7.164110941 | −3.28e-03 | -0.046 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a pentagon | 16 | s = 7.61505+ | 7.676917130 | −6.19e-02 | -0.812 | behind | Found by Bhavithran Ananthan in June 2026. |
| Octagons in a pentagon | 17 | s = 7.91419+ | 8.052589169 | −1.38e-01 | -1.749 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a pentagon | 18 | s = 8.12567+ | 8.178768942 | −5.31e-02 | -0.653 | behind | Found by Bhavithran Ananthan in June 2026. |
| Octagons in a pentagon | 19 | s = 8.34354+ | 8.510419321 | −1.67e-01 | -2.000 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a pentagon | 20 | s = 8.54202+ | 8.553474367 | −1.15e-02 | -0.134 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a pentagon | 21 | s = 8.74315+ | 8.824920693 | −8.18e-02 | -0.935 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a pentagon | 22 | s = 8.96230+ | 9.041282801 | −7.90e-02 | -0.881 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a pentagon | 23 | s = 9.11759+ | 9.232124794 | −1.15e-01 | -1.256 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a pentagon | 24 | s = 9.27761+ | 9.635884297 | −3.58e-01 | -3.862 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a pentagon | 25 | s = 9.45135+ | 10.018740785 | −5.67e-01 | -6.003 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a square | 2 | s = 2 + 3√2/2 = 4.12132+ | 4.121320345 | −1.65e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 3 | s = 2 + 2√2 = 4.82842+ | 4.828427127 | −1.93e-09 | -0.000 | reproduced | |
| Octagons in a square | 4 | s = 2 + 2√2 = 4.82842+ | 4.828427127 | −1.93e-09 | -0.000 | reproduced | |
| Octagons in a square | 5 | s = 3 + 2√2 = 5.82842+ | 5.828427127 | −2.33e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 6 | s = (11√2+17)/5 = 6.51126+ | 6.511269959 | −1.22e-07 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 7 | s = (5√2+7)/2 = 7.03553+ | 7.035534036 | −1.30e-07 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 8 | s = 3 + 3√2 = 7.24264+ | 7.242640824 | −1.37e-07 | -0.000 | reproduced | |
| Octagons in a square | 9 | s = 3 + 3√2 = 7.24264+ | 7.242640744 | −5.67e-08 | -0.000 | reproduced | |
| Octagons in a square | 10 | s = 4+3√2 = 8.24264+ | 8.242665853 | −2.52e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 11 | s = 8.57596+ | 8.577141984 | −1.18e-03 | -0.014 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 12 | s = (23√2+38)/8 = 8.81586+ | 8.815977529 | −1.14e-04 | -0.001 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 13 | s = 9.19909+ | 9.224428004 | −2.53e-02 | -0.275 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 14 | s = (7√2+9)/2 = 9.44974+ | 9.657003865 | −2.07e-01 | -2.193 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 15 | s = 4 + 4√2 = 9.65685+ | 9.656968627 | −1.14e-04 | -0.001 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 16 | s = 4 + 4√2 = 9.65685+ | 9.656883440 | −2.92e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 17 | s = 10.44973+ | 10.610969576 | −1.61e-01 | -1.543 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 18 | s = (17√2+29)/5 = 10.60832+ | 10.610292298 | −1.97e-03 | -0.019 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 19 | s = 10.96620+ | 11.138816867 | −1.73e-01 | -1.574 | behind | Found by Haowei Lin in July 2026. |
| Octagons in a square | 20 | s = (39√2+67)/11 = 11.10493+ | 11.476972302 | −3.72e-01 | -3.350 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a square | 21 | s = 11.47891+ | 11.500108152 | −2.12e-02 | -0.185 | behind | Found by Grigory Merzon in August 2026. |
| Octagons in a square | 22 | s = 11.63403+ | 12.409669645 | −7.76e-01 | -6.667 | behind | Found by Grigory Merzon in August 2026. |
| Octagons in a tan | 2 | s = 3+2√2 = 5.82842+ | 5.828427127 | −2.33e-09 | -0.000 | reproduced | |
| Octagons in a tan | 3 | s = 3+5/√2 = 6.53553+ | 6.535533909 | −2.61e-09 | -0.000 | reproduced | |
| Octagons in a tan | 4 | s = 4+5/√2 = 7.53553+ | 7.535533909 | −3.01e-09 | -0.000 | reproduced | |
| Octagons in a tan | 5 | s = 9/2+3√2 = 8.74264+ | 8.742640691 | −3.50e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 6 | s = 4+7/√2 = 8.94974+ | 8.949747472 | −3.58e-09 | -0.000 | reproduced | |
| Octagons in a tan | 7 | s = 5+7/√2 = 9.94974+ | 9.949747562 | −9.34e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 8 | s = 10.65684+ | 10.656854447 | −1.44e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 9 | s = 6+7/√2 = 10.94974+ | 10.949748652 | −1.18e-06 | -0.000 | reproduced | |
| Octagons in a tan | 10 | s = 5+9/√2 = 11.36396+ | 11.363967850 | −6.82e-06 | -0.000 | reproduced | |
| Octagons in a tan | 11 | s = 12.33328+ | 12.363961265 | −3.07e-02 | -0.249 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 12 | s = 12.65684+ | 12.656858576 | −1.86e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 13 | s = 13.21750+ | 13.294957513 | −7.75e-02 | -0.586 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 14 | s = 13/2+5√2 = 13.57106+ | 13.780657911 | −2.10e-01 | -1.544 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 15 | s = 6+11/√2 = 13.77817+ | 13.787705633 | −9.53e-03 | -0.069 | behind | |
| Octagons in a tan | 16 | s = 8+9/√2 = 14.36396+ | 14.615184590 | −2.51e-01 | -1.749 | behind | |
| Octagons in a tan | 17 | s = 14.77816+ | 14.781904433 | −3.74e-03 | -0.025 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 18 | s = 15.34720+ | 15.778446018 | −4.31e-01 | -2.810 | behind | Found by Jonathan Viqueratl in May 2026. |
| Octagons in a tan | 19 | s = 15.68053+ | 15.795375241 | −1.15e-01 | -0.732 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 20 | s = 15/2+6√2 = 15.98528+ | 16.781791848 | −7.97e-01 | -4.983 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a tan | 21 | s = 7+13/√2 = 16.19238+ | 16.951389811 | −7.59e-01 | -4.687 | behind | |
| Octagons in a tan | 22 | s = 16.77817+ | 17.002903802 | −2.25e-01 | -1.339 | behind | Found by Thomas Greenleaf in June 2026. |
| Octagons in a triangle | 2 | s = 6.79962+ | 6.799624261 | −4.26e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 3 | s = (6+5√2+4√3+3√6)/4 = 6.83693+ | 6.836935073 | −5.27e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 4 | s = 8.65211+ | 8.652115620 | −5.62e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 5 | s = 9.28498+ | 9.284990338 | −1.03e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 6 | s = 9.31576+ | 9.315773043 | −1.30e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 7 | s = 11.06632+ | 11.066335198 | −1.52e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 8 | s = 11.51025+ | 11.512147192 | −1.90e-03 | -0.016 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 9 | s = 11.72998+ | 11.770509257 | −4.05e-02 | -0.346 | behind | |
| Octagons in a triangle | 10 | s = 11.80642+ | 11.807352390 | −9.32e-04 | -0.008 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 11 | s = 13.24689+ | 13.247442287 | −5.52e-04 | -0.004 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 12 | s = 13.62032+ | 13.621711162 | −1.39e-03 | -0.010 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a triangle | 13 | s = 14.04225+ | 14.182097385 | −1.40e-01 | -0.996 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 14 | s = 14.23921+ | 14.289454832 | −5.02e-02 | -0.353 | behind | Found by Aristotle Papowitz in July 2026. |
| Octagons in a triangle | 15 | s = 14.28169+ | 14.309446328 | −2.78e-02 | -0.194 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 16 | s = 15.66136+ | 15.738897074 | −7.75e-02 | -0.495 | behind | Found by Jonathan Viquerat in May 2026. |
| Octagons in a triangle | 17 | s = 16.06191+ | 16.140799233 | −7.89e-02 | -0.491 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a triangle | 18 | s = 16.40979+ | 16.603439127 | −1.94e-01 | -1.180 | behind | Found by Aristotle Papowitz in July 2026. |
| Octagons in a triangle | 19 | s = 16.54447+ | 16.732511980 | −1.88e-01 | -1.137 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in a triangle | 20 | s = 16.74196+ | 16.930929038 | −1.89e-01 | -1.129 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a triangle | 21 | s = 16.78582+ | 16.896627913 | −1.11e-01 | -0.660 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a triangle | 22 | s = 17.96238+ | 18.443664205 | −4.81e-01 | -2.679 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in a triangle | 23 | s = 18.39413+ | 19.697624202 | −1.3035 | -7.086 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a triangle | 24 | s = 18.55975+ | 19.019579055 | −4.60e-01 | -2.478 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in a triangle | 25 | s = 18.94531+ | 19.007902903 | −6.26e-02 | -0.330 | behind | Found by Jonathan Viquerat in August 2026. |
| Octagons in an L | 2 | s = 1+√2 = 2.41421+ | 2.414213563 | −9.66e-10 | -0.000 | reproduced | |
| Octagons in an L | 3 | s = 1+√2 = 2.41421+ | 2.414213563 | −9.66e-10 | -0.000 | reproduced | |
| Octagons in an L | 4 | s = 3/2+5√2/4 = 3.26776+ | 3.503437867 | −2.36e-01 | -7.212 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in an L | 7 | s = 2+3/√2 = 4.12132+ | 4.154183088 | −3.29e-02 | -0.797 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in an L | 8 | s = 4.36459+ | 4.364707537 | −1.18e-04 | -0.003 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in an L | 9 | s = 4.46274+ | 4.648394064 | −1.86e-01 | -4.160 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in an L | 10 | s = 4.69035+ | 4.690588521 | −2.39e-04 | -0.005 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in an L | 11 | s = 2+2√2 = 4.82842+ | 4.828427929 | −8.04e-07 | -0.000 | reproduced | |
| Octagons in an L | 12 | s = 2+2√2 = 4.82842+ | 4.828427221 | −9.60e-08 | -0.000 | reproduced | |
| Octagons in an L | 13 | s = 5.41620+ | 5.416596716 | −3.97e-04 | -0.007 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in an L | 14 | s = 8/3+2√2 = 5.49509+ | 5.834638278 | −3.40e-01 | -6.179 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in an L | 15 | s = 5.82002+ | 5.906163545 | −8.61e-02 | -1.480 | behind | Found by Haowei Lin in June 2026. |
| Octagons in an L | 16 | s = 5.93197+ | 6.215628674 | −2.84e-01 | -4.782 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in an L | 17 | s = 6.10747+ | 6.263507543 | −1.56e-01 | -2.555 | behind | Found by Jonathan Viquerat in June 2026. |
| Octagons in an L | 18 | s = 6.25520+ | 6.449509815 | −1.94e-01 | -3.106 | behind | Found by Vasily (Kotomord) Stolbov in September 2026. |
| Octagons in an L | 19 | s = 6.39782+ | 6.650854074 | −2.53e-01 | -3.955 | behind | Found by Vasily (Kotomord) Stolbov in September 2026. |
| Octagons in an L | 20 | s = 6.51126+ | 6.755644991 | −2.44e-01 | -3.753 | behind | Found by Vasily (Kotomord) Stolbov in September 2026. |
| Octagons in an octagon | 2 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Octagons in an octagon | 3 | s = 5–2√2 = 2.17157+ | 2.171572876 | −8.69e-10 | -0.000 | reproduced | Found by Ignacio Vallejo in March 2026. |
| Octagons in an octagon | 4 | s = √(5+1/√2) = 2.38895+ | 2.388955202 | −3.72e-08 | -0.000 | reproduced | Found by Ignacio Vallejo in March 2026. |
| Octagons in an octagon | 5 | s = 2+1/√2 = 2.70710+ | 2.707106825 | −4.40e-08 | -0.000 | reproduced | Found by Ignacio Vallejo in March 2026. |
| Octagons in an octagon | 6 | s = 2.98894+ | 2.994721402 | −5.78e-03 | -0.193 | behind | Found by Nicolas Campailla in May 2026. |
| Octagons in an octagon | 7 | s = 3 | 3.000000001 | −1.44e-09 | -0.000 | reproduced | |
| Octagons in an octagon | 8 | s = 3.27524+ | 3.275244129 | −4.13e-06 | -0.000 | reproduced | Found by Grant Mowry in May 2026. |
| Octagons in an octagon | 9 | s = 2+√2 = 3.41421+ | 3.414213622 | −5.96e-08 | -0.000 | reproduced | Found by Ignacio Vallejo in March 2026. |
| Octagons in an octagon | 10 | s = 3+1/√2 = 3.70710+ | 3.707106847 | −6.59e-08 | -0.000 | reproduced | Found by Ignacio Vallejo in March 2026. |
| Octagons in an octagon | 11 | s = 3.93256+ | 3.976950185 | −4.44e-02 | -1.129 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in an octagon | 12 | s = 4 | 4.000065406 | −6.54e-05 | -0.002 | behind | |
| Octagons in an octagon | 13 | s = 7–2√2 = 4.17157+ | 4.271396945 | −9.98e-02 | -2.393 | behind | Found by Ignacio Vallejo in March 2026. |
| Octagons in an octagon | 14 | s = 4.28135+ | 4.344300409 | −6.30e-02 | -1.470 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in an octagon | 15 | s = 4.45584+ | 4.535533999 | −7.97e-02 | -1.789 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in an octagon | 16 | s = 4.59803+ | 4.598845179 | −8.15e-04 | -0.018 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in an octagon | 17 | s = 4.75690+ | 4.760369313 | −3.47e-03 | -0.073 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in an octagon | 18 | s = 4.85681+ | 4.909739266 | −5.29e-02 | -1.090 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in an octagon | 19 | s = 4.93550+ | 4.940323666 | −4.82e-03 | -0.098 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in an octagon | 20 | s = 5.06727+ | 5.129586557 | −6.23e-02 | -1.230 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in an octagon | 21 | s = 5.19695+ | 5.263451608 | −6.65e-02 | -1.280 | behind | Found by Timo Berthold et al in May 2026. |
| Octagons in an octagon | 22 | s = 5.35686+ | 5.661324379 | −3.04e-01 | -5.684 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in an octagon | 23 | s = 4+√2 = 5.41421+ | 5.528321548 | −1.14e-01 | -2.108 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in an octagon | 24 | s = 5.55414+ | 5.745304526 | −1.91e-01 | -3.442 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in an octagon | 25 | s = 5.65411+ | 5.849996309 | −1.96e-01 | -3.464 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in an octagon | 26 | s = 5.73828+ | 5.761017158 | −2.27e-02 | -0.396 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in an octagon | 27 | s = 5.81167+ | 5.978187859 | −1.67e-01 | -2.865 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in an octagon | 28 | s = 3+2√2 = 5.82842+ | 5.911489381 | −8.31e-02 | -1.425 | behind | Found by Ignacio Vallejo in March 2026. |
| Octagons in an octagon | 29 | s = 6.05649+ | 6.396532603 | −3.40e-01 | -5.615 | behind | Found by Bhavithran Ananthan in July 2026. |
| Octagons in an octagon | 30 | s = 6.15306+ | 6.256289405 | −1.03e-01 | -1.678 | behind | Found by Timo Berthold et al in May 2026. |
| Pentagons in a circle | 2 | r = √(5+2√5)/2 = 1.53884+ | 1.538841777 | −8.58e-09 | -0.000 | reproduced | |
| Pentagons in a circle | 3 | r = (1+√5)/2 = 1.61803+ | 1.618033989 | −6.48e-10 | -0.000 | reproduced | |
| Pentagons in a circle | 4 | r = 1.82971+ | 1.829715501 | −5.50e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a circle | 5 | r = 2.03271+ | 2.032742950 | −3.29e-05 | -0.002 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a circle | 6 | r = √((25+11√5)/10) = 2.22703+ | 2.227032761 | −3.20e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a circle | 7 | r = 2.29470+ | 2.294709904 | −9.90e-06 | -0.000 | reproduced | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 8 | r = 2.48128+ | 2.481280615 | −6.15e-07 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a circle | 9 | r = 2.70169+ | 2.702506269 | −8.16e-04 | -0.030 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 10 | r = 2.79768+ | 2.817419929 | −1.97e-02 | -0.706 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a circle | 11 | r = 2.90171+ | 2.923890003 | −2.22e-02 | -0.764 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 12 | r = 3.01808+ | 3.021129165 | −3.05e-03 | -0.101 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 13 | r = 3.07768+ | 3.095583921 | −1.79e-02 | -0.582 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 14 | r = 3.23377+ | 3.235792618 | −2.02e-03 | -0.063 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in a circle | 15 | r = 3.33877+ | 3.338774038 | −4.04e-06 | -0.000 | reproduced | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 16 | r = 3.43657+ | 3.554747630 | −1.18e-01 | -3.439 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a circle | 17 | r = 3.50888+ | 3.512319087 | −3.44e-03 | -0.098 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 18 | r = 3.61619+ | 3.671250900 | −5.51e-02 | -1.523 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 19 | r = 3.67189+ | 3.828163953 | −1.56e-01 | -4.256 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 20 | r = 3.80052+ | 3.803935853 | −3.42e-03 | -0.090 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a circle | 21 | r = 3.90693+ | 4.077701577 | −1.71e-01 | -4.371 | behind | Found by Haowei Lin in July 2026. |
| Pentagons in a circle | 22 | r = 3.99781+ | 4.164726374 | −1.67e-01 | -4.175 | behind | Found by Haowei Lin in July 2026. |
| Pentagons in a circle | 23 | r = 4.07193+ | 4.232458169 | −1.61e-01 | -3.942 | behind | Found by Haowei Lin in July 2026. |
| Pentagons in a circle | 24 | r = 4.12402+ | 4.126817735 | −2.80e-03 | -0.068 | behind | Found by Haowei Lin in July 2026. |
| Pentagons in a circle | 25 | r = 4.23945+ | 4.248276858 | −8.83e-03 | -0.208 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a domino | 2 | s = 1.55460+ | 1.554603919 | −3.92e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 3 | s = 2.10051+ | 2.100514157 | −4.16e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 4 | s = 2.33739+ | 2.337395572 | −5.57e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 5 | s = 2.47315+ | 2.473151364 | −1.36e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 6 | s = 2.69228+ | 2.692281362 | −1.36e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 7 | s = 2.91977+ | 2.919770575 | −5.75e-07 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 8 | s = 3.07696+ | 3.077676643 | −7.17e-04 | -0.023 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 9 | s = 3.33456+ | 3.337244404 | −2.68e-03 | -0.081 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 10 | s = 3.51930+ | 3.521467760 | −2.17e-03 | -0.062 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a domino | 11 | s = 3.61313+ | 3.813880962 | −2.01e-01 | -5.556 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 12 | s = 3.74837+ | 3.801336396 | −5.30e-02 | -1.413 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 13 | s = 3.88151+ | 3.915549064 | −3.40e-02 | -0.877 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a domino | 14 | s = 3.92746+ | 3.928896236 | −1.44e-03 | -0.037 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 15 | s = 4.11731+ | 4.274427732 | −1.57e-01 | -3.816 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a domino | 16 | s = 4.27934+ | 4.388397442 | −1.09e-01 | -2.548 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a domino | 17 | s = 4.38233+ | 4.485243949 | −1.03e-01 | -2.348 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a domino | 18 | s = 4.54032+ | 4.651376094 | −1.11e-01 | -2.446 | behind | Found by Thomas Greenleaf in June 2026. |
| Pentagons in a domino | 19 | s = 4.67483+ | 4.792826193 | −1.18e-01 | -2.524 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a domino | 20 | s = 4.79125+ | 4.920634445 | −1.29e-01 | -2.700 | behind | Found by Thomas Greenleaf in June 2026. |
| Pentagons in a domino | 21 | s = 4.87601+ | 5.118345238 | −2.42e-01 | -4.970 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a domino | 22 | s = 4.93220+ | 5.166009565 | −2.34e-01 | -4.740 | behind | Found by Thomas Greenleaf in June 2026. |
| Pentagons in a domino | 23 | s = 5.01785+ | 5.024373569 | −6.52e-03 | -0.130 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a domino | 24 | s = 5.07794+ | 5.440361129 | −3.62e-01 | -7.137 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a domino | 25 | s = 5.22623+ | 5.232913383 | −6.68e-03 | -0.128 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a hexagon | 2 | s = 1.53879+ | 1.538841787 | −5.18e-05 | -0.003 | behind | |
| Pentagons in a hexagon | 3 | s = 1.73240+ | 1.732454637 | −5.46e-05 | -0.003 | behind | |
| Pentagons in a hexagon | 4 | s = 1.97666+ | 1.976689306 | −2.93e-05 | -0.001 | behind | Found by Ethan Riddle in May 2026. |
| Pentagons in a hexagon | 5 | s = 2.21822+ | 2.218267573 | −4.76e-05 | -0.002 | behind | Found by Nicolas Campailla in May 2026. |
| Pentagons in a hexagon | 6 | s = 2.32293+ | 2.322939333 | −9.33e-06 | -0.000 | reproduced | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a hexagon | 7 | s = (2√5–1+√(15–6√5))/2 s = 2.36527+ | 2.365272305 | −4.18e-08 | -0.000 | reproduced | Found by Nicolas Campailla in May 2026. |
| Pentagons in a hexagon | 8 | s = 2.71922+ | 2.719228626 | −8.63e-06 | -0.000 | reproduced | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a hexagon | 9 | s = 2.86967+ | 2.921189914 | −5.15e-02 | -1.795 | behind | Found by Nicolas Campailla in May 2026. |
| Pentagons in a hexagon | 10 | s = 2.93664+ | 2.938528126 | −1.89e-03 | -0.064 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a hexagon | 11 | s = 3.16125+ | 3.176383439 | −1.51e-02 | -0.479 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a hexagon | 12 | s = 3.21458+ | 3.220488333 | −5.91e-03 | -0.184 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a hexagon | 13 | s = 3.40902+ | 3.455629674 | −4.66e-02 | -1.367 | behind | Found by Nicolas Campailla in August 2026. |
| Pentagons in a hexagon | 14 | s = 3.46643+ | 3.469838856 | −3.41e-03 | -0.098 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a hexagon | 15 | s = 3.63499+ | 3.666247359 | −3.13e-02 | -0.860 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a hexagon | 16 | s = 3.69895+ | 3.802266412 | −1.03e-01 | -2.793 | behind | Found by Nicolas Campailla in August 2026. |
| Pentagons in a hexagon | 17 | s = 3.75774+ | 3.845510368 | −8.78e-02 | -2.336 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a hexagon | 18 | s = 3.84479+ | 3.872668630 | −2.79e-02 | -0.725 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a hexagon | 19 | s = 3.88271+ | 3.971076273 | −8.84e-02 | -2.276 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a hexagon | 20 | s = 4.14048+ | 4.170694700 | −3.02e-02 | -0.730 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a hexagon | 21 | s = 4.24003+ | 4.394155309 | −1.54e-01 | -3.635 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a hexagon | 22 | s = 4.32443+ | 4.329422721 | −4.99e-03 | -0.115 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a hexagon | 23 | s = 4.39703+ | 4.564554224 | −1.68e-01 | -3.810 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a hexagon | 24 | s = 4.46360+ | 4.468493804 | −4.89e-03 | -0.110 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a hexagon | 25 | s = 4.57861+ | 4.590374896 | −1.18e-02 | -0.257 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a hexagon | 26 | s = 4.66031+ | 4.831126159 | −1.71e-01 | -3.665 | behind | Found by Aristotle Papowitz in July 2026. |
| Pentagons in a hexagon | 27 | s = 4.71710+ | 4.928822799 | −2.12e-01 | -4.488 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a hexagon | 28 | s = 4.84364+ | 4.851745050 | −8.11e-03 | -0.167 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a hexagon | 29 | s = 4.91003+ | 5.142652078 | −2.33e-01 | -4.738 | behind | Found by Aristotle Papowitz in July 2026. |
| Pentagons in a hexagon | 30 | s = 4.96406+ | 4.979695985 | −1.56e-02 | -0.315 | behind | Found by Aristotle Papowitz in July 2026. |
| Pentagons in a hexagon | 31 | s = 5.09223+ | 5.353584588 | −2.61e-01 | -5.132 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a pentagon | 2 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Pentagons in a pentagon | 3 | s = √5 = 2.23606+ | 2.236067978 | −8.94e-10 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 4 | s = 2.44719+ | 2.447213637 | −2.36e-05 | -0.001 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 5 | s = (3+√5)/2 = 2.61803+ | 2.618034034 | −4.49e-08 | -0.000 | reproduced | |
| Pentagons in a pentagon | 6 | s = (3+√5)/2 = 2.61803+ | 2.618033997 | −7.92e-09 | -0.000 | reproduced | |
| Pentagons in a pentagon | 7 | s = 3.07866+ | 3.078689381 | −2.94e-05 | -0.001 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 8 | s = 3.33514+ | 3.335174397 | −3.44e-05 | -0.001 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 9 | s = 3.44956+ | 3.591143681 | −1.42e-01 | -4.104 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 10 | s = 3.68324+ | 3.782754750 | −9.95e-02 | -2.702 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 11 | s = 3.79704+ | 3.949599238 | −1.53e-01 | -4.018 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 12 | s = 3.96926+ | 4.018778648 | −4.95e-02 | -1.248 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 13 | s = 4.06523+ | 4.083045409 | −1.78e-02 | -0.438 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 14 | s = 4.21111+ | 4.413638461 | −2.03e-01 | -4.809 | behind | Found by Grant Mowry in May 2026. |
| Pentagons in a pentagon | 15 | s = 2+√5 = 4.23606+ | 4.535311297 | −2.99e-01 | -7.064 | behind | |
| Pentagons in a pentagon | 16 | s = 4.41636+ | 4.794346619 | −3.78e-01 | -8.559 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 17 | s = 4.65536+ | 4.764750648 | −1.09e-01 | -2.350 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a pentagon | 18 | s = 4.77541+ | 4.978152073 | −2.03e-01 | -4.246 | behind | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a pentagon | 19 | s = 4.95267+ | 4.956898662 | −4.23e-03 | -0.085 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a pentagon | 20 | s = 5.03404+ | 5.369119309 | −3.35e-01 | -6.656 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a pentagon | 21 | s = 5.15638+ | 5.204611317 | −4.82e-02 | -0.935 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a pentagon | 22 | s = 5.26645+ | 5.589358256 | −3.23e-01 | -6.131 | behind | Found by Grant Mowry in May 2026. |
| Pentagons in a pentagon | 23 | s = 5.34696+ | 5.730275656 | −3.83e-01 | -7.169 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a pentagon | 24 | s = 5.49109+ | 5.842309001 | −3.51e-01 | -6.396 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a pentagon | 25 | s = 5.58099+ | 5.593813556 | −1.28e-02 | -0.230 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a pentagon | 26 | s = 5.67207+ | 5.922670948 | −2.51e-01 | -4.418 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a pentagon | 27 | s = 5.75528+ | 6.061087462 | −3.06e-01 | -5.314 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a pentagon | 28 | s = 5.84493+ | 5.979889677 | −1.35e-01 | -2.309 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a pentagon | 29 | s = 5.91835+ | 6.341279340 | −4.23e-01 | -7.146 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a square | 2 | s = (1+√5)[√(250+110√5) – 5(1+√5)]/8 s = 2.46345+ | 2.463451666 | −1.45e-08 | -0.000 | reproduced | |
| Pentagons in a square | 3 | s = (4+5√5/2)√(5+2√5)–55/4–23√5/4 s = 2.90811+ | 2.908117286 | −1.73e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a square | 4 | s = ((3–√5)√(5–√5)+7√10+√2)/8 s = 3.10252+ | 3.102525061 | −4.94e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a square | 5 | s = 3.54903+ | 3.549034820 | −4.82e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a square | 6 | s = 3.88299+ | 3.882991496 | −1.50e-06 | -0.000 | reproduced | Found by Haowei Lin in July 2026. |
| Pentagons in a square | 7 | s = 4.18037+ | 4.180370664 | −6.64e-07 | -0.000 | reproduced | Found by Nicolas Campailla in May 2026. |
| Pentagons in a square | 8 | s = 4.38190+ | 4.382209203 | −3.09e-04 | -0.007 | behind | Found by Aristotle Papowitz in July 2026. |
| Pentagons in a square | 9 | s = 4.60033+ | 4.600329612 | +3.88e-07 | 0.000 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Pentagons in a square | 10 | s = 4.90581+ | 4.977249750 | −7.14e-02 | -1.456 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in a square | 11 | s = 5.11555+ | 5.170365461 | −5.48e-02 | -1.072 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a square | 12 | s = 5.23221+ | 5.232214467 | −4.47e-06 | -0.000 | reproduced | Found by Timo Berthold et al in May 2026. |
| Pentagons in a square | 13 | s = 5.52102+ | 5.525524355 | −4.50e-03 | -0.082 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a square | 14 | s = 5.69659+ | 5.799064180 | −1.02e-01 | -1.799 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a square | 15 | s = 5.90118+ | 5.979706156 | −7.85e-02 | -1.331 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a square | 16 | s = 6.06452+ | 6.179132659 | −1.15e-01 | -1.890 | behind | Found by Timo Berthold et al in April 2026. |
| Pentagons in a square | 17 | s = 6.23761+ | 6.302798703 | −6.52e-02 | -1.045 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in a square | 18 | s = 6.32565+ | 6.508455254 | −1.83e-01 | -2.890 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a square | 19 | s = 6.55781+ | 6.572081506 | −1.43e-02 | -0.218 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a square | 20 | s = 6.66135+ | 6.976451811 | −3.15e-01 | -4.730 | behind | Found by Haowei Lin in July 2026. |
| Pentagons in a square | 21 | s = 6.85368+ | 7.064813207 | −2.11e-01 | -3.081 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a square | 22 | s = 7.04445+ | 7.465578915 | −4.21e-01 | -5.978 | behind | Found by Haowei Lin in July 2026. |
| Pentagons in a square | 23 | s = 7.20624+ | 7.234675610 | −2.84e-02 | -0.395 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a square | 24 | s = 7.33690+ | 7.624266977 | −2.87e-01 | -3.917 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a square | 25 | s = 7.45360+ | 7.482682945 | −2.91e-02 | -0.390 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a square | 26 | s = 7.58176+ | 8.115832817 | −5.34e-01 | -7.044 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a square | 27 | s = 7.67948+ | 8.181873124 | −5.02e-01 | -6.542 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a square | 28 | s = 7.82010+ | 8.371779231 | −5.52e-01 | -7.055 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a square | 29 | s = 7.98512+ | 8.382051971 | −3.97e-01 | -4.971 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a square | 30 | s = 8.10222+ | 8.712424872 | −6.10e-01 | -7.531 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a tan | 2 | s = 3.52014+ | 3.520147023 | −7.02e-06 | -0.000 | reproduced | |
| Pentagons in a tan | 3 | s = 3.97792+ | 3.977926918 | −6.92e-06 | -0.000 | reproduced | |
| Pentagons in a tan | 4 | s = 4.63338+ | 4.633390129 | −1.01e-05 | -0.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 5 | s = 5.16518+ | 5.165184087 | −4.09e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 6 | s = 5.48233+ | 5.482338720 | −8.72e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 7 | s = 6.03679+ | 6.072389297 | −3.56e-02 | -0.590 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 8 | s = 6.30671+ | 6.342233331 | −3.55e-02 | -0.563 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 9 | s = 6.69536+ | 6.730541813 | −3.52e-02 | -0.525 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 10 | s = 6.98078+ | 6.986535249 | −5.76e-03 | -0.082 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 11 | s = 7.34729+ | 7.356668434 | −9.38e-03 | -0.128 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 12 | s = 7.54006+ | 7.730059944 | −1.90e-01 | -2.520 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 13 | s = 7.82906+ | 7.952175499 | −1.23e-01 | -1.573 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 14 | s = 8.16828+ | 8.177480758 | −9.20e-03 | -0.113 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a tan | 15 | s = 8.45706+ | 8.529294504 | −7.22e-02 | -0.854 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a tan | 16 | s = 8.66023+ | 8.805006366 | −1.45e-01 | -1.672 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a tan | 17 | s = 8.89679+ | 8.910664637 | −1.39e-02 | -0.156 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a tan | 18 | s = 9.08713+ | 9.402519728 | −3.15e-01 | -3.471 | behind | Found by Jonathan Viqueratl in May 2026. |
| Pentagons in a tan | 19 | s = 9.38489+ | 9.959806374 | −5.75e-01 | -6.126 | behind | Found by Thomas Greenleaf in June 2026. |
| Pentagons in a tan | 20 | s = 9.61296+ | 9.660614931 | −4.77e-02 | -0.496 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a tan | 21 | s = 9.79121+ | 10.557804803 | −7.67e-01 | -7.829 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a tan | 22 | s = 10.01063+ | 10.558520468 | −5.48e-01 | -5.473 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a tan | 23 | s = 10.24859+ | 10.868894011 | −6.20e-01 | -6.053 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a tan | 24 | s = 10.45171+ | 11.218786936 | −7.67e-01 | -7.339 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a tan | 25 | s = 10.63197+ | 11.422741332 | −7.91e-01 | -7.438 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in a triangle | 3 | s = √((75+33√5)/8) – (3–√5)/4 = 4.12164+ | 4.121647331 | −1.75e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a triangle | 4 | s = 5.21983+ | 5.219832877 | −2.88e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a triangle | 5 | s = 5.55809+ | 5.558094107 | −4.11e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a triangle | 6 | s = 5.63540+ | 5.635408351 | −8.35e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a triangle | 7 | s = 6.50034+ | 6.500348494 | −8.49e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a triangle | 8 | s = 6.81133+ | 6.811339286 | −9.29e-06 | -0.000 | reproduced | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a triangle | 9 | s = 7.08969+ | 7.133094454 | −4.34e-02 | -0.612 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a triangle | 10 | s = 7.17235+ | 7.172357541 | −7.54e-06 | -0.000 | reproduced | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a triangle | 11 | s = 7.93748+ | 7.959054849 | −2.16e-02 | -0.272 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a triangle | 12 | s = 8.19117+ | 8.474290825 | −2.83e-01 | -3.456 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a triangle | 13 | s = 8.37807+ | 8.380000536 | −1.93e-03 | -0.023 | behind | Found by Jonathan Viquerat in May 2026. |
| Pentagons in a triangle | 14 | s = 8.58917+ | 8.642812245 | −5.36e-02 | -0.625 | behind | Found by Haowei Lin in July 2026. |
| Pentagons in a triangle | 15 | s = 8.69161+ | 8.712795504 | −2.12e-02 | -0.244 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a triangle | 16 | s = 9.29700+ | 9.438377123 | −1.41e-01 | -1.521 | behind | Found by Haowei Lin in July 2026. |
| Pentagons in a triangle | 17 | s = 9.57797+ | 9.848759925 | −2.71e-01 | -2.827 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a triangle | 18 | s = 9.78077+ | 9.798076145 | −1.73e-02 | -0.177 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a triangle | 19 | s = 9.92567+ | 10.272642989 | −3.47e-01 | -3.496 | behind | Found by Haowei Lin in July 2026. |
| Pentagons in a triangle | 20 | s = 10.09879+ | 10.131722981 | −3.29e-02 | -0.326 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a triangle | 21 | s = 10.17148+ | 10.421273096 | −2.50e-01 | -2.456 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a triangle | 22 | s = 10.75818+ | 10.802112923 | −4.39e-02 | -0.408 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a triangle | 23 | s = 10.99100+ | 11.079288515 | −8.83e-02 | -0.803 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a triangle | 24 | s = 11.17511+ | 11.538972758 | −3.64e-01 | -3.256 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a triangle | 25 | s = 11.32392+ | 11.868875419 | −5.45e-01 | -4.812 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in a triangle | 26 | s = 11.45549+ | 11.833966172 | −3.78e-01 | -3.304 | behind | Found by Aristotle Papowitz in July 2026. |
| Pentagons in a triangle | 27 | s = 11.59873+ | 11.944451168 | −3.46e-01 | -2.981 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a triangle | 28 | s = 11.69225+ | 11.738971435 | −4.67e-02 | -0.400 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a triangle | 29 | s = 12.18197+ | 12.796734826 | −6.15e-01 | -5.047 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a triangle | 30 | s = 12.38240+ | 12.942428416 | −5.60e-01 | -4.523 | behind | Found by Yue Huang in August 2026. |
| Pentagons in a triangle | 31 | s = 12.58207+ | 12.654142762 | −7.21e-02 | -0.573 | behind | Found by Jonathan Viquerat in August 2026. |
| Pentagons in a triangle | 32 | s = 12.70492+ | 13.130599833 | −4.26e-01 | -3.351 | behind | Found by Yue Huang in August 2026. |
| Pentagons in a triangle | 33 | s = 12.85985+ | 12.963576055 | −1.04e-01 | -0.807 | behind | Found by Yue Huang in August 2026. |
| Pentagons in a triangle | 34 | s = 12.97563+ | 13.064453441 | −8.88e-02 | -0.685 | behind | Found by Yue Huang in August 2026. |
| Pentagons in a triangle | 35 | s = 13.10941+ | 13.170252389 | −6.08e-02 | -0.464 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in a triangle | 36 | s = 13.17841++ | 13.230130086 | −5.17e-02 | -0.392 | behind | Found by Yue Huang in August 2026. |
| Pentagons in a triangle | 37 | s = 13.63430+ | 13.741194009 | −1.07e-01 | -0.784 | behind | Found by Yue Huang in August 2026. |
| Pentagons in a triangle | 38 | s = 13.82313+ | 13.929125129 | −1.06e-01 | -0.767 | behind | Found by Yue Huang in August 2026. |
| Pentagons in a triangle | 39 | s = 13.97521+ | 14.116620361 | −1.41e-01 | -1.012 | behind | Found by Yue Huang in August 2026. |
| Pentagons in a triangle | 40 | s = 14.13674+ | 14.246617265 | −1.10e-01 | -0.777 | behind | Found by Yue Huang in August 2026. |
| Pentagons in an L | 2 | s = √(5+2√5)/2 = 1.53884+ | 1.538841769 | −6.16e-10 | -0.000 | reproduced | |
| Pentagons in an L | 3 | s = 1.55425+ | 1.554247558 | +2.44e-06 | 0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 4 | s = 1.96918+ | 1.969181031 | −1.03e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 5 | s = 2.12433+ | 2.124337268 | −7.27e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 6 | s = 2.30512+ | 2.305121415 | −1.42e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 7 | s = 2.41732+ | 2.512760188 | −9.54e-02 | -3.948 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 8 | s = 2.54164+ | 2.579041095 | −3.74e-02 | -1.472 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 9 | s = 2.67860+ | 2.681223410 | −2.62e-03 | -0.098 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 10 | s = 2.80245+ | 2.869649395 | −6.72e-02 | -2.398 | behind | |
| Pentagons in an L | 11 | s = 2.94662+ | 2.949422497 | −2.80e-03 | -0.095 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 12 | s = 3.07460+ | 3.089182762 | −1.46e-02 | -0.474 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 13 | s = 3.22359+ | 3.255494293 | −3.19e-02 | -0.990 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in an L | 14 | s = 3.35014+ | 3.385781451 | −3.56e-02 | -1.064 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 15 | s = 3.46668+ | 3.619897935 | −1.53e-01 | -4.420 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in an L | 16 | s = 3.55643+ | 3.614731007 | −5.83e-02 | -1.639 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in an L | 17 | s = 3.61458+ | 3.713293496 | −9.87e-02 | -2.731 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in an L | 18 | s = 3.73452+ | 3.878828293 | −1.44e-01 | -3.864 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in an L | 19 | s = 3.81113+ | 3.898183102 | −8.71e-02 | -2.284 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 20 | s = 3.86901+ | 4.064649032 | −1.96e-01 | -5.057 | behind | Found by Jonathan Viquerat in June 2026. |
| Pentagons in an L | 21 | s = 3.95816+ | 4.274526969 | −3.16e-01 | -7.993 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in an L | 22 | s = 4.02153+ | 4.366930635 | −3.45e-01 | -8.589 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in an L | 23 | s = 4.13155+ | 4.437208953 | −3.06e-01 | -7.398 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in an L | 24 | s = 4.22847+ | 4.505371177 | −2.77e-01 | -6.548 | behind | Found by Jonathan Viquerat in September 2026. |
| Pentagons in an octagon | 2 | s = 1.17774+ | 1.177778520 | −3.85e-05 | -0.003 | behind | |
| Pentagons in an octagon | 3 | s = 1.28954+ | 1.289544405 | −4.40e-06 | -0.000 | reproduced | Found by Nicolas Campailla in May 2026. |
| Pentagons in an octagon | 4 | s = 1.42986+ | 1.429889753 | −2.98e-05 | -0.002 | behind | |
| Pentagons in an octagon | 5 | s = 1.61756+ | 1.617560353 | −3.53e-07 | -0.000 | reproduced | Found by Nicolas Campailla in May 2026. |
| Pentagons in an octagon | 6 | s = 1.78003+ | 1.788113221 | −8.08e-03 | -0.454 | behind | Found by Nicolas Campailla in May 2026. |
| Pentagons in an octagon | 7 | s = 1.82343+ | 1.823439320 | −9.32e-06 | -0.001 | reproduced | Found by Timo Berthold et al in May 2026. |
| Pentagons in an octagon | 8 | s = 1.95989+ | 1.959891558 | −1.56e-06 | -0.000 | reproduced | Found by Nicolas Campailla in May 2026. |
| Pentagons in an octagon | 9 | s = (√5+√(5+√5))/√(10–2√5) s = 2.09517+ | 2.095179356 | −3.44e-08 | -0.000 | reproduced | Found by Nicolas Campailla in May 2026. |
| Pentagons in an octagon | 10 | s = 2.21135+ | 2.235582981 | −2.42e-02 | -1.096 | behind | Found by Timo Berthold et al in May 2026. |
| Pentagons in an octagon | 11 | s = 2.33111+ | 2.335338641 | −4.23e-03 | -0.181 | behind | Found by Timo Berthold et al in May 2026. |
| Pentagons in an octagon | 12 | s = 2.39327+ | 2.395332140 | −2.06e-03 | -0.086 | behind | Found by Timo Berthold et al in May 2026. |
| Pentagons in an octagon | 13 | s = 2.49776+ | 2.538265310 | −4.05e-02 | -1.622 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 14 | s = 2.56564+ | 2.612459706 | −4.68e-02 | -1.825 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 15 | s = 2.68123+ | 2.689060999 | −7.83e-03 | -0.292 | behind | Found by Timo Berthold et al in May 2026. |
| Pentagons in an octagon | 16 | s = 2.75249+ | 2.757023771 | −4.53e-03 | -0.165 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 17 | s = 2.81043+ | 2.836431575 | −2.60e-02 | -0.925 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 18 | s = 2.89321+ | 2.940975509 | −4.78e-02 | -1.651 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 19 | s = 2.95527+ | 3.064955961 | −1.10e-01 | -3.712 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 20 | s = 3.04679+ | 3.233707767 | −1.87e-01 | -6.135 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 21 | s = 3.11874+ | 3.131416581 | −1.27e-02 | -0.406 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 22 | s = 3.19144+ | 3.298788548 | −1.07e-01 | -3.364 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 23 | s = 3.25129+ | 3.261623304 | −1.03e-02 | -0.318 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 24 | s = 3.28718+ | 3.414822051 | −1.28e-01 | -3.883 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 25 | s = 3.36617+ | 3.561583244 | −1.95e-01 | -5.805 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 26 | s = 3.42775+ | 3.455472117 | −2.77e-02 | -0.809 | behind | Found by Jake Loyd in June 2026. |
| Pentagons in an octagon | 27 | s = 3.49942+ | 3.679609860 | −1.80e-01 | -5.149 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in an octagon | 28 | s = 3.56402+ | 3.581872376 | −1.79e-02 | -0.501 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in an octagon | 29 | s = 3.61848+ | 3.830801164 | −2.12e-01 | -5.868 | behind | Found by Bhavithran Ananthan in July 2026. |
| Pentagons in an octagon | 30 | s = 3.66678+ | 3.681375358 | −1.46e-02 | -0.398 | behind | Found by Aristotle Papowitz in July 2026. |
| Pentagons in an octagon | 31 | s = 3.74379+ | 3.771373700 | −2.76e-02 | -0.737 | behind | Found by Bhavithran Ananthan in July 2026. |
| Squares in a circle | 3 | r = 5 √17 / 16 = 1.288+ | 1.288470527 | −1.89e-08 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a circle | 5 | r = √10 / 2 = 1.581+ | 1.581138853 | −2.24e-08 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a circle | 6 | r = 1.688+* | 1.688542998 | −5.43e-04 | -0.032 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a circle | 7 | r = √13 / 2 = 1.802+ | 1.802775669 | −3.12e-08 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a circle | 8 | r = 1.978+* | 1.978770990 | −7.71e-04 | -0.039 | reproduced | Found by David W. Cantrell in March 2002. |
| Squares in a circle | 9 | r = √1105 / 16 = 2.077+ | 2.079104956 | −1.51e-03 | -0.073 | behind | Found by Erich Friedman in 1997. |
| Squares in a circle | 10 | r = 3 √2 / 2 = 2.121+ | 2.208294872 | −8.70e-02 | -4.101 | behind | Found by Erich Friedman in 1997. |
| Squares in a circle | 11 | r = 2.21386+ | 2.243802098 | −2.99e-02 | -1.352 | behind | Found by Milan Kovacic in May 2006. |
| Squares in a circle | 12 | r = √5 = 2.236+ | 2.236690869 | −6.23e-04 | -0.028 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a circle | 13 | r = 2.3607+ | 2.362340660 | −1.64e-03 | -0.069 | behind | Found by David W. Cantrell in November 2010. |
| Squares in a circle | 14 | r = 2.5 | 2.508088662 | −8.09e-03 | -0.324 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a circle | 15 | r = 2.533+ | 2.674964623 | −1.42e-01 | -5.605 | behind | Found by by David W. Cantrell in June 2002. |
| Squares in a circle | 16 | r = √11009 / 40 = 2.623+ | 2.698932546 | −7.58e-02 | -2.891 | behind | Found by Erich Friedman in 1997. |
| Squares in a circle | 17 | r = 2.67687+ | 2.851896469 | −1.75e-01 | -6.538 | behind | Found by Milan Kovacic in May 2026. |
| Squares in a circle | 18 | r = √481 / 8 = 2.741+ | 2.834176924 | −9.27e-02 | -3.382 | behind | Found by David W. Cantrell in March 2002. |
| Squares in a circle | 19 | r = 2.80150+ | 2.921035406 | −1.20e-01 | -4.267 | behind | Found by Milan Kovacic in May 2026. |
| Squares in a circle | 20 | r = 2.893+ | 2.937398150 | −4.44e-02 | -1.535 | behind | Found by David W. Cantrell in June 2002. |
| Squares in a circle | 21 | r = √34 / 2 = 2.915+ | 2.933307701 | −1.78e-02 | -0.612 | behind | Found by Erich Friedman in 1997. |
| Squares in a circle | 22 | r = 3.03239+ | 3.050244380 | −1.79e-02 | -0.589 | behind | Found by Haowei Lin in July 2026. |
| Squares in a circle | 23 | r = 3.06738+ | 3.074670953 | −7.29e-03 | -0.238 | behind | Found by Milan Kovacic in May 2026. |
| Squares in a circle | 24 | r = 3.10940+ | 3.164020371 | −5.46e-02 | -1.757 | behind | Found by Milan Kovacic in May 2026. |
| Squares in a circle | 25 | r = 3.17450+ | 3.197204146 | −2.27e-02 | -0.715 | behind | Found by Haowei Lin in July 2026. |
| Squares in a circle | 26 | r = √41 / 2 = 3.201+ | 3.361567769 | −1.60e-01 | -4.999 | behind | Found by Erich Friedman in 1997. |
| Squares in a circle | 27 | r = 3.26050+ | 3.262403219 | −1.90e-03 | -0.058 | behind | Found by Milan Kovacic in May 2026. |
| Squares in a circle | 28 | r = 3.33147+ | 3.349314484 | −1.78e-02 | -0.536 | behind | Found by Milan Kovacic in May 2026. |
| Squares in a circle | 29 | r = 3.39309+ | 3.548800615 | −1.56e-01 | -4.589 | behind | Found by Milan Kovacic in May 2026. |
| Squares in a circle | 30 | r = 3.45962+ | 3.552473988 | −9.29e-02 | -2.684 | behind | Found by Milan Kovacic in May 2026. |
| Squares in a circle | 31 | r = 3.52771+ | 3.628973122 | −1.01e-01 | -2.871 | behind | Found by Haowei Lin in July 2026. |
| Squares in a circle | 32 | r = 3.57340+ | 3.618317444 | −4.49e-02 | -1.257 | behind | Found by Milan Kovacic in May 2026. |
| Squares in a circle | 33 | r = 3.60010+ | 3.622540437 | −2.24e-02 | -0.623 | behind | Found by Haowei Lin in July 2026. |
| Squares in a circle | 34 | r = 3.62911+ | 3.775070338 | −1.46e-01 | -4.022 | behind | Found by Jonathan Viquerat in August 2026. |
| Squares in a circle | 35 | r = √53 / 2 = 3.640+ | 3.730446391 | −9.04e-02 | -2.483 | behind | Found by David Eppstein in March 2002. |
| Squares in a domino | 2 | s = 1 | 1.000000000 | −4.00e-10 | -0.000 | reproduced | |
| Squares in a domino | 3 | s = 3/2 = 1.5 | 1.500000017 | −1.69e-08 | -0.000 | reproduced | |
| Squares in a domino | 4 | s = 1.930+ | 1.930283341 | −2.83e-04 | -0.015 | reproduced | Found by Evert Stenlund in June 2010. |
| Squares in a domino | 5 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Squares in a domino | 6 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Squares in a domino | 7 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Squares in a domino | 8 | s = 2 | 2.000000001 | −8.95e-10 | -0.000 | reproduced | |
| Squares in a domino | 9 | s = 2 + √2/3 = 2.471+ | 2.471404565 | −4.42e-08 | -0.000 | reproduced | Found by Evert Stenlund in June 2010. |
| Squares in a domino | 10 | s = 5/2 = 2.5 | 2.500000340 | −3.40e-07 | -0.000 | reproduced | |
| Squares in a domino | 11 | s = 2.779+ | 2.845948096 | −6.69e-02 | -2.409 | behind | Found by Evert Stenlund in June 2010. |
| Squares in a domino | 12 | s = 6 (1 + √2) / 5 = 2.897+ | 2.943862560 | −4.68e-02 | -1.616 | behind | Found by Maurizio Morandi in June 2010. |
| Squares in a domino | 13 | s = 2.976+ | 3.000012683 | −2.40e-02 | -0.807 | behind | Found by David W. Cantrell in July 2012. |
| Squares in a domino | 14 | s = 3 | 3.000004058 | −4.06e-06 | -0.000 | behind | |
| Squares in a domino | 15 | s = 3 | 3.000000055 | −5.46e-08 | -0.000 | reproduced | |
| Squares in a domino | 16 | s = 3 | 3.007466940 | −7.47e-03 | -0.249 | behind | |
| Squares in a domino | 17 | s = 3 | 3.000021618 | −2.16e-05 | -0.001 | behind | |
| Squares in a domino | 18 | s = 3 | 3.053333806 | −5.33e-02 | -1.778 | behind | |
| Squares in a domino | 19 | s = 3 + 1/√5 = 3.447+ | 3.504699774 | −5.75e-02 | -1.668 | behind | Found by Maurizio Morandi in June 2010. |
| Squares in a domino | 20 | s = 7/2 = 3.5 | 3.506880725 | −6.88e-03 | -0.197 | reproduced | |
| Squares in a domino | 21 | s = 7/2 = 3.5 | 3.506959679 | −6.96e-03 | -0.199 | reproduced | |
| Squares in a domino | 22 | s = 3.745+ | 3.805191378 | −6.02e-02 | -1.607 | behind | Found by David W. Cantrell in July 2012. |
| Squares in a domino | 23 | s = 3.83525+ | 3.910560051 | −7.53e-02 | -1.964 | behind | Found by Thomas Greenleaf in June 2026. |
| Squares in a domino | 24 | s = 3.88184+ | 4.000578016 | −1.19e-01 | -3.059 | behind | Found by Aapo Lipponen in July 2026. |
| Squares in a domino | 25 | s = 3.939+ | 4.002666377 | −6.37e-02 | -1.616 | behind | Found by David W. Cantrell in August 2012. |
| Squares in a domino | 26 | s = 3.98019+ | 4.019494300 | −3.93e-02 | -0.987 | behind | Found by Aapo Lipponen in July 2026. |
| Squares in a domino | 27 | s = 4 | 4.016261631 | −1.63e-02 | -0.407 | behind | |
| Squares in a domino | 28 | s = 4 | 4.004711863 | −4.71e-03 | -0.118 | behind | |
| Squares in a domino | 29 | s = 4 | 4.023727153 | −2.37e-02 | -0.593 | behind | |
| Squares in a domino | 30 | s = 4 | 4.048340589 | −4.83e-02 | -1.209 | behind | |
| Squares in a domino | 31 | s = 4 | 4.039337974 | −3.93e-02 | -0.983 | behind | |
| Squares in a domino | 32 | s = 4 | 4.041595169 | −4.16e-02 | -1.040 | behind | |
| Squares in a domino | 33 | s = 3 + √2 = 4.414+ | 4.506072614 | −9.19e-02 | -2.081 | behind | Found by Maurizio Morandi in July 2012. |
| Squares in a domino | 34 | s = 4 + √2/3 = 4.471+ | 4.500855727 | −2.95e-02 | -0.659 | behind | Found by David W. Cantrell in July 2012. |
| Squares in a domino | 35 | s = 9/2 = 4.5 | 4.501648003 | −1.65e-03 | -0.037 | reproduced | |
| Squares in a domino | 36 | s = 9/2 = 4.5 | 4.502418193 | −2.42e-03 | -0.054 | reproduced | |
| Squares in a domino | 37 | s = 4.71758+ | 4.816440323 | −9.89e-02 | -2.096 | behind | Found by Aapo Lipponen in July 2026. |
| Squares in a domino | 38 | s = 4.79816+ | 4.952417596 | −1.54e-01 | -3.215 | behind | |
| Squares in a domino | 39 | s = 4.83693+ | 4.953563013 | −1.17e-01 | -2.411 | behind | Found by Aapo Lipponen in July 2026. |
| Squares in a domino | 40 | s = 4.895+ | 4.987389614 | −9.24e-02 | -1.887 | behind | Found by Sigvart Brendberg in June 2023. |
| Squares in a domino | 41 | s = 4.927+ | 5.001019688 | −7.40e-02 | -1.502 | behind | Found by Sigvart Brendberg in June 2023. |
| Squares in a domino | 42 | s = 4.96862+ | 5.001211664 | −3.26e-02 | -0.656 | behind | Found by Aapo Lipponen in July 2026. |
| Squares in a domino | 43 | s = 5 | 5.004886610 | −4.89e-03 | -0.098 | behind | |
| Squares in a domino | 44 | s = 5 | 5.006809839 | −6.81e-03 | -0.136 | behind | |
| Squares in a domino | 45 | s = 5 | 5.002525087 | −2.53e-03 | -0.051 | behind | |
| Squares in a domino | 46 | s = 5 | 5.037433540 | −3.74e-02 | -0.749 | behind | |
| Squares in a domino | 47 | s = 5 | 5.005194946 | −5.19e-03 | -0.104 | behind | |
| Squares in a domino | 48 | s = 5 | 5.052985839 | −5.30e-02 | -1.060 | behind | |
| Squares in a domino | 49 | s = 5 | 5.003600396 | −3.60e-03 | -0.072 | behind | |
| Squares in a domino | 50 | s = 5 | 5.004550937 | −4.55e-03 | -0.091 | behind | |
| Squares in a hexagon | 2 | s = 2/√3 = 1.15470+ | 1.154700539 | −4.62e-10 | -0.000 | reproduced | |
| Squares in a hexagon | 3 | s = (1+√3)/2 = 1.36602+ | 1.366025431 | −2.72e-08 | -0.000 | reproduced | Found by Maurizio Morandi in March 2026. |
| Squares in a hexagon | 4 | s = 2/3^(1/4) = 1.51967+ | 1.519671396 | −2.47e-08 | -0.000 | reproduced | Found by Maurizio Morandi in March 2026. |
| Squares in a hexagon | 5 | s = √3 = 1.73205+ | 1.732053054 | −2.25e-06 | -0.000 | reproduced | |
| Squares in a hexagon | 6 | s = 1.821+ | 1.839593818 | −1.86e-02 | -1.021 | behind | Found by Maurizio Morandi in March 2026. |
| Squares in a hexagon | 7 | s = (√2)3^(1/4) = 1.86120+ | 1.863316067 | −2.11e-03 | -0.113 | behind | Found by Maurizio Morandi in March 2026. |
| Squares in a hexagon | 8 | s = 2.15378+ | 2.154700883 | −9.21e-04 | -0.043 | behind | Found by Ian Watson in April 2026. |
| Squares in a hexagon | 9 | s = 1/2+√3 = 2.23205+ | 2.273624338 | −4.16e-02 | -1.863 | behind | Found by Jonathan Viquerat in April 2026. |
| Squares in a hexagon | 10 | s = 4/√3 = 2.30940+ | 2.341434785 | −3.20e-02 | -1.387 | behind | |
| Squares in a hexagon | 11 | s = 2.40944+ | 2.415429026 | −5.99e-03 | -0.249 | behind | Found by Jonathan Viquerat in April 2026. |
| Squares in a hexagon | 12 | s = 1+5√3/6 = 2.44337+ | 2.491391926 | −4.80e-02 | -1.965 | behind | Found by Maurizio Morandi in March 2026. |
| Squares in a hexagon | 13 | s = 2.572+ | 2.612174538 | −4.02e-02 | -1.562 | behind | Found by Maurizio Morandi in April 2026. |
| Squares in a hexagon | 14 | s = 2.62126+ | 2.720280630 | −9.90e-02 | -3.778 | behind | Found by Jonathan Viquerat in April 2026. |
| Squares in a hexagon | 15 | s = 2.75364+ | 2.798884748 | −4.52e-02 | -1.643 | behind | Found by Grant Mowry in May 2026. |
| Squares in a hexagon | 16 | s = 2.82002+ | 2.822293530 | −2.27e-03 | -0.081 | behind | Found by Spencer Leach in May 2026. |
| Squares in a hexagon | 17 | s = 2.87264+ | 2.945932570 | −7.33e-02 | -2.551 | behind | Found by Jake Loyd in May 2026. |
| Squares in a hexagon | 18 | s = 2.92104+ | 2.926935777 | −5.90e-03 | -0.202 | behind | Found by Haowei Lin in July 2026. |
| Squares in a hexagon | 19 | s = 2.93508+ | 3.105415123 | −1.70e-01 | -5.803 | behind | Found by Haowei Lin in July 2026. |
| Squares in a hexagon | 20 | s = 3.16122+ | 3.185909144 | −2.47e-02 | -0.781 | behind | Found by Leo Strijbos in August 2026. |
| Squares in a hexagon | 21 | s = (23+11√3)/13 = 3.23481+ | 3.272925862 | −3.81e-02 | -1.178 | behind | Found by Spencer Leach in May 2026. |
| Squares in a hexagon | 22 | s = 3.31432+ | 3.332971092 | −1.87e-02 | -0.563 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 23 | s = 3.36407+ | 3.468317961 | −1.04e-01 | -3.099 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 24 | s = 3.40286+ | 3.434238926 | −3.14e-02 | -0.922 | behind | Found by Thomas Greenleaf in June 2026. |
| Squares in a hexagon | 25 | s = 2√3 = 3.46410+ | 3.626214420 | −1.62e-01 | -4.680 | behind | |
| Squares in a hexagon | 26 | s = 3.49276+ | 3.546696498 | −5.39e-02 | -1.544 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 27 | s = (9+7√3)/6 = 3.52072+ | 3.578408745 | −5.77e-02 | -1.638 | behind | Found by Erich Friedman in April 2026. |
| Squares in a hexagon | 28 | s = 3.61976+ | 3.744904643 | −1.25e-01 | -3.457 | behind | Found by Leo Strijbos in August 2026. |
| Squares in a hexagon | 29 | s = 3.66437+ | 3.833321505 | −1.69e-01 | -4.611 | behind | Found by Ian Watson in April 2026. |
| Squares in a hexagon | 30 | s = 3.69552+ | 3.940992365 | −2.45e-01 | -6.642 | behind | Found by Aristotle Papowitz in July 2026. |
| Squares in a hexagon | 31 | s = 3.78143+ | 3.808666109 | −2.72e-02 | -0.720 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 32 | s = 3.84140+ | 4.051050663 | −2.10e-01 | -5.458 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 33 | s = 3.86634+ | 3.966166152 | −9.98e-02 | -2.582 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 34 | s = 3.91853+ | 4.043168726 | −1.25e-01 | -3.181 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 35 | s = 3.98201+ | 4.048565765 | −6.66e-02 | -1.671 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 36 | s = 4.02042+ | 4.042818709 | −2.24e-02 | -0.557 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 37 | s = 7/√3 = 4.04145+ | 4.088343479 | −4.69e-02 | -1.160 | behind | |
| Squares in a hexagon | 38 | s = 4.18035+ | 4.209068140 | −2.87e-02 | -0.687 | behind | Found by Leo Strijbos in August 2026. |
| Squares in a hexagon | 39 | s = 4.24512+ | 4.298510400 | −5.34e-02 | -1.258 | behind | Found by Jake Loyd in June 2026. |
| Squares in a hexagon | 40 | s = 4.30171+ | 4.352847644 | −5.11e-02 | -1.189 | behind | Found by Aristotle Papowitz in July 2026. |
| Squares in a pentagon | 2 | s = 4√(1–2/√5)+√5–2 s = 1.535+ | 1.535746779 | −1.68e-08 | -0.000 | reproduced | Found by Erich Friedman in March 2012. |
| Squares in a pentagon | 3 | s = 1.695+ | 1.695619534 | −6.20e-04 | -0.037 | reproduced | Found by David W. Cantrell in July 2012. |
| Squares in a pentagon | 4 | s = 1.861+ | 1.861668600 | −6.69e-04 | -0.036 | reproduced | Found by Maurizio Morandi in July 2012. |
| Squares in a pentagon | 5 | s = 1 + cos(18°) s = 1.951+ | 1.961492731 | −1.05e-02 | -0.538 | behind | Found by Erich Friedman in March 2012. |
| Squares in a pentagon | 6 | s = 6√(1–2/√5)+√5–2 s = 2.185+ | 2.185586185 | −2.99e-08 | -0.000 | reproduced | Found by Erich Friedman in March 2012. |
| Squares in a pentagon | 7 | s = 6√(1–2/√5)+2√5–4 s = 2.421+ | 2.439120211 | −1.75e-02 | -0.721 | behind | Found by Erich Friedman in July 2012. |
| Squares in a pentagon | 8 | s = 2.565+ | 2.575452180 | −1.05e-02 | -0.407 | behind | Found by David W. Cantrell in July 2012. |
| Squares in a pentagon | 9 | s = 2.693+ | 2.705412398 | −1.24e-02 | -0.461 | behind | Found by Timo Berthold et al in January 2026. |
| Squares in a pentagon | 10 | s = 2.793+ | 2.796366316 | −3.37e-03 | -0.121 | behind | Found by Timo Berthold et al in January 2026. |
| Squares in a pentagon | 11 | s = 2.890+ | 2.894847645 | −4.85e-03 | -0.168 | behind | Found by Timo Berthold et al in January 2026. |
| Squares in a pentagon | 12 | s = 2.969+ | 2.988831874 | −1.98e-02 | -0.668 | behind | Found by Timo Berthold et al in January 2026. |
| Squares in a pentagon | 13 | s = 3.12074+ | 3.260925160 | −1.40e-01 | -4.492 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 14 | s = 3.187+ | 3.238140851 | −5.11e-02 | -1.605 | behind | Found by David W. Cantrell in July 2012. |
| Squares in a pentagon | 15 | s = (√(125–38√5)+8–2√5)/3 s = 3.284+ | 3.323328356 | −3.84e-02 | -1.170 | behind | Found by David W. Cantrell in July 2012. |
| Squares in a pentagon | 16 | s = 3.47851+ | 3.487260725 | −8.75e-03 | -0.252 | behind | Found by Jonathan Viquerat in May 2026. |
| Squares in a pentagon | 17 | s = 3.541+ | 3.551622973 | −1.06e-02 | -0.300 | behind | Found by Ignacio Vallejo in March 2026. |
| Squares in a pentagon | 18 | s = 3.62598+ | 3.798832169 | −1.73e-01 | -4.767 | behind | Found by Haowei Lin in July 2026. |
| Squares in a pentagon | 19 | s = 3.70918+ | 3.746958133 | −3.78e-02 | -1.019 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 20 | s = 3.79775+ | 4.003692666 | −2.06e-01 | -5.423 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 21 | s = 3.86365+ | 4.108757032 | −2.45e-01 | -6.344 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 22 | s = 3.93347+ | 3.953242830 | −1.98e-02 | -0.503 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 23 | s = 4.00109+ | 4.261907893 | −2.61e-01 | -6.519 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 24 | s = 4.10103+ | 4.269012680 | −1.68e-01 | -4.096 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 25 | s = 4.16727+ | 4.435230459 | −2.68e-01 | -6.430 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 26 | s = 4.22150+ | 4.517877255 | −2.96e-01 | -7.021 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 27 | s = 4.34851+ | 4.530329757 | −1.82e-01 | -4.181 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 28 | s = 4.41576+ | 4.492800662 | −7.70e-02 | -1.745 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 29 | s = 4.49879+ | 4.547264797 | −4.85e-02 | -1.078 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 30 | s = 4.54753+ | 4.801140634 | −2.54e-01 | -5.577 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 31 | s = 4.62404+ | 4.795992228 | −1.72e-01 | -3.719 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 32 | s = 4.70000+ | 4.797175656 | −9.72e-02 | -2.068 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 33 | s = 4.75331+ | 5.013852295 | −2.61e-01 | -5.481 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 34 | s = 4.81345+ | 4.949130031 | −1.36e-01 | -2.819 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 35 | s = 4.86283+ | 5.104013179 | −2.41e-01 | -4.960 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 36 | s = 4.93131+ | 5.073658317 | −1.42e-01 | -2.887 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 37 | s = 4.97801+ | 5.277323000 | −2.99e-01 | -6.013 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 38 | s = 5.04838+ | 5.354653659 | −3.06e-01 | -6.067 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 39 | s = 5.13653+ | 5.264976421 | −1.28e-01 | -2.501 | behind | Found by Jake Loyd in June 2026. |
| Squares in a pentagon | 40 | s = 5.16849+ | 5.333307992 | −1.65e-01 | -3.189 | behind | Found by Jake Loyd in June 2026. |
| Squares in a tan | 2 | s = 2√2 = 2.828+ | 2.828427126 | −1.13e-09 | -0.000 | reproduced | |
| Squares in a tan | 3 | s = 3 | 3.000000001 | −1.20e-09 | -0.000 | reproduced | |
| Squares in a tan | 4 | s = 5 / √2 = 3.535 | 3.535533907 | −1.41e-09 | -0.000 | reproduced | Found by Erich Friedman in March 2005. |
| Squares in a tan | 5 | s = 4 | 4.000000038 | −3.75e-08 | -0.000 | reproduced | Found by Erich Friedman in March 2005. |
| Squares in a tan | 6 | s = 4 | 4.000020476 | −2.05e-05 | -0.001 | behind | |
| Squares in a tan | 7 | s = 3 + √2 = 4.414+ | 4.414213564 | −1.77e-09 | -0.000 | reproduced | Found by Erich Friedman in March 2005. |
| Squares in a tan | 8 | s = 2 + 2√2 = 4.828+ | 4.828427216 | −9.12e-08 | -0.000 | reproduced | Found by Erich Friedman in March 2005. |
| Squares in a tan | 9 | s = 7 / √2 = 4.949+ | 4.950013603 | −2.66e-04 | -0.005 | reproduced | Found by Erich Friedman in March 2005. |
| Squares in a tan | 10 | s = 5 | 5.002812540 | −2.81e-03 | -0.056 | behind | |
| Squares in a tan | 11 | s = 4 + √2 = 5.414+ | 5.656875253 | −2.43e-01 | -4.482 | behind | Found by Erich Friedman in March 2005. |
| Squares in a tan | 12 | s = 4√2 = 5.656+ | 5.656855022 | −7.72e-07 | -0.000 | reproduced | Found by Erich Friedman in March 2005. |
| Squares in a tan | 13 | s = 3 + 2√2 = 5.828+ | 6.067680002 | −2.39e-01 | -4.105 | behind | Found by Erich Friedman in March 2005. |
| Squares in a tan | 14 | s = 6 | 6.004579332 | −4.58e-03 | -0.076 | behind | Found by Erich Friedman in March 2005. |
| Squares in a tan | 15 | s = 6 | 6.003513107 | −3.51e-03 | -0.059 | behind | |
| Squares in a tan | 16 | s = 9 / √2 = 6.363+ | 6.366891734 | −2.93e-03 | -0.046 | behind | Found by Erich Friedman in March 2005. |
| Squares in a tan | 17 | s = 5 + √2 = 6.414+ | 6.422776591 | −8.56e-03 | -0.134 | behind | Found by Erich Friedman in March 2005. |
| Squares in a tan | 18 | s = 4 + 2√2 = 6.828+ | 7.004173014 | −1.76e-01 | -2.574 | behind | Found by Erich Friedman in March 2005. |
| Squares in a tan | 19 | s = 2 + 7 / √2 = 6.949+ | 7.005592713 | −5.58e-02 | -0.804 | behind | Found by David W. Cantrell in May 2005. |
| Squares in a tan | 20 | s = 7 | 7.050367250 | −5.04e-02 | -0.720 | behind | Found by Erich Friedman in March 2005. |
| Squares in a tan | 21 | s = 7 | 7.075816964 | −7.58e-02 | -1.083 | behind | |
| Squares in a tan | 22 | s = 1 + 9 / √2 = 7.363+ | 7.778867109 | −4.15e-01 | -5.635 | behind | Found by Erich Friedman in March 2005. |
| Squares in a tan | 23 | s = 6 + √2 = 7.414+ | 7.782491174 | −3.68e-01 | -4.967 | behind | Found by Erich Friedman in March 2005. |
| Squares in a tan | 24 | s = 7 + 1 / √2 = 7.707+ | 7.782624959 | −7.55e-02 | -0.980 | behind | Found by David W. Cantrell in May 2005. |
| Squares in a tan | 25 | s = 11 / √2 = 7.778+ | 7.803619398 | −2.54e-02 | -0.327 | behind | |
| Squares in a tan | 26 | s = 5 + 2√2 = 7.828+ | 8.055926950 | −2.27e-01 | -2.906 | behind | Found by Erich Friedman in March 2026. |
| Squares in a tan | 27 | s = 8 | 8.078384883 | −7.84e-02 | -0.980 | behind | Inherited published construction at n=28; not a newly discovered record |
| Squares in a tan | 28 | s = 8 | 8.179365403 | −1.79e-01 | -2.242 | behind | |
| Squares in a triangle | 2 | s = 2 + 2 / √3 = 3.154+ | 3.154700540 | −1.27e-09 | -0.000 | reproduced | |
| Squares in a triangle | 3 | s = 3 / 2 + √3 = 3.232+ | 3.232050809 | −1.31e-09 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a triangle | 4 | s = 3 + 2 / √3 = 4.154+ | 4.154700608 | −6.95e-08 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a triangle | 5 | s = 2 + 4 / √3 = 4.309+ | 4.309401143 | −6.63e-08 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a triangle | 6 | s = 2 + 4 / √3 = 4.309+ | 4.309401157 | −8.00e-08 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a triangle | 7 | s = 4 + 2 / √3 = 5.154+ | 5.154700631 | −9.26e-08 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a triangle | 8 | s = 5.301+ | 5.309401248 | −8.40e-03 | -0.158 | behind | Found by David W. Cantrell in July 2002. |
| Squares in a triangle | 9 | s = 3 + 4 / √3 = 5.309+ | 5.313137041 | −3.74e-03 | -0.070 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 10 | s = 2 + 2 √3 = 5.464+ | 5.651955688 | −1.88e-01 | -3.438 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 11 | s = 5 + 2 / √3 = 6.154+ | 6.154973397 | −2.73e-04 | -0.004 | reproduced | Found by Erich Friedman in 1997. |
| Squares in a triangle | 12 | s = 6.301+ | 6.464101811 | −1.63e-01 | -2.589 | behind | Found by David W. Cantrell in July 2002. |
| Squares in a triangle | 13 | s = 4 + 4 / √3 = 6.309+ | 6.618803355 | −3.09e-01 | -4.904 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 14 | s = 3 + 2 √3 = 6.464+ | 6.466274895 | −2.17e-03 | -0.034 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 15 | s = 3 + 2 √3 = 6.464+ | 6.467309355 | −3.21e-03 | -0.050 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 16 | s = 6 + 2 / √3 = 7.154+ | 7.272753177 | −1.18e-01 | -1.650 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 17 | s = 7.301+ | 7.387467732 | −8.65e-02 | -1.184 | behind | Found by David W. Cantrell in July 2002. |
| Squares in a triangle | 18 | s = 5 + 4 / √3 = 7.309+ | 7.619365660 | −3.10e-01 | -4.241 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 19 | s = 4 + 2 √3 = 7.464+ | 7.474726208 | −1.06e-02 | -0.142 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 20 | s = 7.61695+ | 7.911191754 | −2.94e-01 | -3.863 | behind | Found by Haowei Lin in July 2026. |
| Squares in a triangle | 21 | s = 3 + 8 / √3 = 7.618+ | 7.636178468 | −1.74e-02 | -0.228 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 22 | s = 7 + 2 / √3 = 8.15470+ | 8.345753629 | −1.91e-01 | -2.343 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 23 | s = 8.301+ | 8.311768325 | −1.08e-02 | -0.130 | behind | Found by David W. Cantrell in July 2002. |
| Squares in a triangle | 24 | s = 6 + 4 / √3 = 8.309+ | 8.734108340 | −4.25e-01 | -5.111 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 25 | s = 5 + 2 √3 = 8.464+ | 8.886352658 | −4.22e-01 | -4.989 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 26 | s = 4 + 8 / √3 = 8.618+ | 8.784183316 | −1.65e-01 | -1.919 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 27 | s = 4 + 8 / √3 = 8.618+ | 9.317287836 | −6.98e-01 | -8.105 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 28 | s = 3 + 10 / √3 = 8.773+ | 8.943754375 | −1.70e-01 | -1.941 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 29 | s = 8 + 2 / √3 = 9.154+ | 9.421084421 | −2.66e-01 | -2.910 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 30 | s = 9.301+ | 9.654371077 | −3.53e-01 | -3.799 | behind | Found by David W. Cantrell in July 2002. |
| Squares in a triangle | 31 | s = 7 + 4 / √3 = 9.309+ | 9.480651961 | −1.71e-01 | -1.840 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 32 | s = 6 + 2 √3 = 9.464+ | 10.024325937 | −5.60e-01 | -5.920 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 33 | s = 5 + 8 / √3 = 9.618+ | 10.207228500 | −5.88e-01 | -6.118 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 34 | s = 5 + 8 / √3 = 9.618+ | 10.329626708 | −7.11e-01 | -7.391 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 35 | s = 4 + 10 / √3 = 9.773+ | 10.429995262 | −6.56e-01 | -6.717 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 36 | s = 4 + 10 / √3 = 9.773+ | 9.981073334 | −2.08e-01 | -2.124 | behind | Found by Erich Friedman in 1997. |
| Squares in a triangle | 37 | s = 10.15299+ | 10.255190295 | −1.02e-01 | -1.007 | behind | Found by Gianluca Costantino in May 2026. |
| Squares in a triangle | 38 | s = 10.304+ | 10.323153254 | −1.92e-02 | -0.186 | behind | Found by Gianluca Costantino in April 2026. |
| Squares in a triangle | 39 | s = 8 + 4 / √3 = 10.30940+ | 10.469492522 | −1.60e-01 | -1.553 | behind | Found by Bhavithran Ananthan in July 2026. |
| Squares in a triangle | 40 | s = 7 + 2√3 = 10.46410+ | 10.627605650 | −1.64e-01 | -1.563 | behind | Found by Bhavithran Ananthan in July 2026. |
| Squares in a triangle | 41 | s = 10.61880+ | 10.873318836 | −2.55e-01 | -2.397 | behind | Found by Aristotle Papowitz in July 2026. |
| Squares in a triangle | 42 | s = 10.61880+ | 10.956624317 | −3.38e-01 | -3.181 | behind | Found by Aristotle Papowitz in July 2026. |
| Squares in a triangle | 43 | s = 10.77350+ | 11.180800037 | −4.07e-01 | -3.781 | behind | Found by Aristotle Papowitz in July 2026. |
| Squares in an L | 2 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Squares in an L | 3 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Squares in an L | 4 | s = 3 | 3.000000036 | −3.65e-08 | -0.000 | reproduced | |
| Squares in an L | 5 | s = 3 | 3.000000051 | −5.10e-08 | -0.000 | reproduced | |
| Squares in an L | 6 | s = (5√2 + 4) / 3 = 3.690+ | 3.691334552 | −9.79e-04 | -0.027 | reproduced | Found by David W. Cantrell in June 2005. |
| Squares in an L | 7 | s = √2 + 5/2 = 3.914+ | 3.915343702 | −1.13e-03 | -0.029 | behind | Found by Erich Friedman in June 2005. |
| Squares in an L | 8 | s = 4 | 4.000000061 | −6.08e-08 | -0.000 | reproduced | |
| Squares in an L | 9 | s = 4 | 4.000000073 | −7.34e-08 | -0.000 | reproduced | |
| Squares in an L | 10 | s = 4 | 4.000000070 | −7.04e-08 | -0.000 | reproduced | |
| Squares in an L | 11 | s = 4 | 4.000000070 | −7.03e-08 | -0.000 | reproduced | |
| Squares in an L | 12 | s = 4 | 4.000000701 | −7.01e-07 | -0.000 | reproduced | |
| Squares in an L | 13 | s = 2 + 2√2 = 4.828+ | 4.895813581 | −6.74e-02 | -1.396 | behind | Found by Maurizio Morandi in October 2008. |
| Squares in an L | 14 | s = 4.98674+ | 5.002000611 | −1.53e-02 | -0.306 | behind | Found by Jonathan Viquerat in June 2026. |
| Squares in an L | 15 | s = 5 | 5.003011320 | −3.01e-03 | -0.060 | behind | |
| Squares in an L | 16 | s = 5 | 5.015997543 | −1.60e-02 | -0.320 | behind | |
| Squares in an L | 17 | s = 4/3 + 3√2 = 5.575+ | 5.605236667 | −2.93e-02 | -0.525 | behind | Found by Maurizio Morandi in October 2008. |
| Squares in an L | 18 | s = (2√2 + 14) / 3 = 5.609+ | 5.856553319 | −2.47e-01 | -4.405 | behind | Found by Erich Friedman in June 2005. |
| Squares in an L | 19 | s = 5.792+ | 6.002631432 | −2.11e-01 | -3.637 | behind | Found by David W. Cantrell in July 2012. |
| Squares in an L | 20 | s = 5.937+ | 6.002105950 | −6.51e-02 | -1.097 | behind | Found by David W. Cantrell in July 2012. |
| Squares in an L | 21 | s = 6 | 6.023955403 | −2.40e-02 | -0.399 | behind | |
| Squares in an L | 22 | s = 6 | 6.062729102 | −6.27e-02 | -1.045 | behind | |
| Squares in an L | 23 | s = 6 | 6.044976525 | −4.50e-02 | -0.750 | behind | |
| Squares in an L | 24 | s = 6 | 6.004111686 | −4.11e-03 | -0.069 | behind | |
| Squares in an L | 25 | s = 6 | 6.074412912 | −7.44e-02 | -1.240 | behind | |
| Squares in an L | 26 | s = 6 | 6.002733569 | −2.73e-03 | -0.046 | behind | |
| Squares in an L | 27 | s = 6 | 6.001992905 | −1.99e-03 | -0.033 | behind | |
| Squares in an L | 28 | s = 6 + √2/2 = 6.707+ | 6.985747884 | −2.79e-01 | -4.154 | behind | Found by Maurizio Morandi in September 2015. |
| Squares in an L | 29 | s = 6.840+ | 7.459934584 | −6.20e-01 | -9.063 | behind | Found by Maurizio Morandi in September 2015. |
| Squares in an L | 30 | s = 7 | 7.010822287 | −1.08e-02 | -0.155 | behind | |
| Squares in an L | 31 | s = 7 | 7.002962693 | −2.96e-03 | -0.042 | behind | |
| Squares in an L | 32 | s = 7 | 7.005621988 | −5.62e-03 | -0.080 | behind | |
| Squares in an L | 33 | s = 7 | 7.004567238 | −4.57e-03 | -0.065 | behind | |
| Squares in an L | 34 | s = 7.513+ | 8.002545447 | −4.90e-01 | -6.516 | behind | Found by Joe DeVincentis in September 2015. |
| Squares in an L | 35 | s = 7.55991+ | 8.004606407 | −4.45e-01 | -5.882 | behind | Found by Aapo Lipponen in July 2026. |
| Squares in an L | 36 | s = 7.730+ | 8.001601164 | −2.72e-01 | -3.514 | behind | Found by Joe DeVincentis in September 2015. |
| Squares in an octagon | 2 | s = √(6–√2–√(20√2–26))/2 = 0.87669+ | 0.876699201 | −1.34e-08 | -0.000 | reproduced | Found by Maurizio Morandi in December 2013. |
| Squares in an octagon | 3 | s = 18 – 12√2 = 1.02943+ | 1.029437267 | −1.59e-08 | -0.000 | reproduced | Found by Erich Friedman in December 2013. |
| Squares in an octagon | 4 | s = √(4–2√2) = 1.08239+ | 1.082392211 | −1.02e-08 | -0.000 | reproduced | |
| Squares in an octagon | 5 | s = 3√2 – 3 = 1.24264+ | 1.242640688 | −1.35e-09 | -0.000 | reproduced | |
| Squares in an octagon | 6 | s = 7 – 4√2 = 1.34314+ | 1.343145772 | −2.10e-08 | -0.000 | reproduced | Found by Maurizio Morandi in December 2013. |
| Squares in an octagon | 7 | s = √(5–√2–√(8√2–9)) = 1.43690+ | 1.436905902 | −2.33e-08 | -0.000 | reproduced | Found by Maurizio Morandi in December 2013. |
| Squares in an octagon | 8 | s = 1.56962+ | 1.573237994 | −3.62e-03 | -0.231 | behind | Found by Grant Mowry in May 2026. |
| Squares in an octagon | 9 | s = 3/√(2+√2) = 1.62358+ | 1.623588361 | −6.05e-08 | -0.000 | reproduced | |
| Squares in an octagon | 10 | s = 1.68171+ | 1.684765369 | −3.06e-03 | -0.182 | behind | Found by Timo Berthold et al in May 2026. |
| Squares in an octagon | 11 | s = 1.73152+ | 1.731585028 | −6.50e-05 | -0.004 | behind | Found by Jonathan Viquerat in May 2026. |
| Squares in an octagon | 12 | s = √(6–√2–√(20√2–26)) = 1.75339+ | 1.756171028 | −2.77e-03 | -0.158 | behind | Found by Maurizio Morandi in December 2013. |
| Squares in an octagon | 13 | s = 1.89674+ | 1.973204278 | −7.65e-02 | -4.031 | behind | Found by Grant Mowry in May 2026. |
| Squares in an octagon | 14 | s = 1.98302+ | 2.024750310 | −4.17e-02 | -2.104 | behind | Found by Timo Berthold et al in May 2026. |
| Squares in an octagon | 15 | s = 2.03168+ | 2.076313287 | −4.46e-02 | -2.197 | behind | Found by Jonathan Viquerat in May 2026. |
| Squares in an octagon | 16 | s = 5√2 – 5 = 2.07106+ | 2.071280707 | −2.13e-04 | -0.010 | behind | |
| Squares in an octagon | 17 | s = 5√2 – 5 = 2.07106+ | 2.215373368 | −1.44e-01 | -6.968 | behind | |
| Squares in an octagon | 18 | s = 2.16732+ | 2.197488029 | −3.02e-02 | -1.392 | behind | Found by Timo Berthold et al in May 2026. |
| Squares in an octagon | 19 | s = 2.22435+ | 2.231756100 | −7.41e-03 | -0.333 | behind | Found by Jake Loyd in May 2026. |
| Squares in an octagon | 20 | s = 2.28598+ | 2.380215831 | −9.42e-02 | -4.122 | behind | Found by Jake Loyd in May 2026. |
| Squares in an octagon | 21 | s = sqrt(48–9√2–3√(104√2–126))/2 = 2.31833+ | 2.320377494 | −2.04e-03 | -0.088 | behind | Found by Jake Loyd in May 2026. |
| Squares in an octagon | 22 | s = 2.41575+ | 2.489033373 | −7.33e-02 | -3.034 | behind | Found by Jake Loyd in May 2026. |
| Squares in an octagon | 23 | s = 2.46879+ | 2.500336230 | −3.15e-02 | -1.278 | behind | Found by Jake Loyd in May 2026. |
| Squares in an octagon | 24 | s = 6√2–6 = 2.48528+ | 2.486267418 | −9.86e-04 | -0.040 | behind | |
| Squares in an octagon | 25 | s = 17(2–√2)/4 = 2.48959+ | 2.645349445 | −1.56e-01 | -6.256 | behind | Found by Jake Loyd in May 2026. |
| Squares in an octagon | 26 | s = 2.52709+ | 2.660164352 | −1.33e-01 | -5.266 | behind | Found by Aristotle Papowitz in July 2026. |
| Squares in an octagon | 27 | s = 2.58584+ | 2.621139161 | −3.53e-02 | -1.365 | behind | Found by Jake Loyd in May 2026. |
| Squares in an octagon | 28 | s = 2.62788+ | 2.634420489 | −6.54e-03 | -0.249 | behind | Found by Jake Loyd in May 2026. |
| Squares in an octagon | 29 | s = 2.70553+ | 2.834751438 | −1.29e-01 | -4.776 | behind | Found by Jake Loyd in May 2026. |
| Squares in an octagon | 30 | s = 2(11–√2)/7 = 2.73879+ | 2.902115756 | −1.63e-01 | -5.963 | behind | Found by Maurizio Morandi in May 2026. |
| Squares in an octagon | 31 | s = 2.78401+ | 2.935265299 | −1.51e-01 | -5.433 | behind | Found by Aapo Lipponen in July 2026. |
| Squares in an octagon | 32 | s = 2.83980+ | 2.943329060 | −1.04e-01 | -3.646 | behind | Found by Aristotle Papowitz in July 2026. |
| Squares in an octagon | 33 | s = 2.85903+ | 2.901658423 | −4.26e-02 | -1.491 | behind | Found by Aristotle Papowitz in July 2026. |
| Squares in an octagon | 34 | s = 7√2–7 = 2.89949+ | 2.929037239 | −2.95e-02 | -1.019 | behind | Found by Mohamed Metwalli in June 2026. |
| Squares in an octagon | 35 | s = 2.90678+ | 2.921012364 | −1.42e-02 | -0.490 | behind | Found by Aapo Lipponen in July 2026. |
| Squares in an octagon | 36 | s = 2.92870+ | 2.930048542 | −1.35e-03 | -0.046 | behind | Found by Aristotle Papowitz in July 2026. |
| Squares in an octagon | 37 | s = 10–5√2 = 2.92893+ | 2.952199194 | −2.33e-02 | -0.794 | behind | |
| Squares in an octagon | 38 | s = 3.02060+ | 3.055268763 | −3.47e-02 | -1.148 | behind | Found by Luke Kaiser in August 2026. |
| Squares in an octagon | 39 | s = 3.08204+ | 3.090412030 | −8.37e-03 | -0.272 | behind | Found by Aapo Lipponen in July 2026. |
| Squares in an octagon | 40 | s = 3.14120+ | 3.161066489 | −1.99e-02 | -0.632 | behind | Found by Aapo Lipponen in July 2026. |
| Tans in a circle | 2 | r = 1/√2 = .707+ | 0.707106781 | −2.83e-10 | -0.000 | reproduced | |
| Tans in a circle | 3 | r = (6 + √2)/8 = .926+ | 0.926776710 | −1.51e-08 | -0.000 | reproduced | Found by Serhiy Grabarchuk in April 2005. |
| Tans in a circle | 4 | r = 1 | 1.033857506 | −3.39e-02 | -3.386 | behind | |
| Tans in a circle | 5 | r = 1.125+ | 1.127965887 | −2.97e-03 | -0.264 | behind | Found by Maurizio Morandi in July 2007. |
| Tans in a circle | 6 | r = 1.198+ | 1.230269755 | −3.23e-02 | -2.694 | behind | Found by Maurizio Morandi in July 2007. |
| Tans in a circle | 7 | r = 1.26287+ | 1.298359204 | −3.55e-02 | -2.810 | behind | Found by Jake Loyd in June 2026. |
| Tans in a circle | 8 | r = √(1+1/√2) = 1.306+ | 1.332062978 | −2.55e-02 | -1.953 | behind | Found by Serhiy Grabarchuk in April 2005. |
| Tans in a circle | 9 | r = 1.37381+ | 1.455392414 | −8.16e-02 | -5.938 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a circle | 10 | r = 1.42230+ | 1.459002929 | −3.67e-02 | -2.581 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a circle | 11 | r = 1.480+ | 1.592426035 | −1.12e-01 | -7.596 | behind | Found by David W. Cantrell in August 2007. |
| Tans in a circle | 12 | r = 1.50878+ | 1.583266102 | −7.45e-02 | -4.937 | behind | Found by Jake Loyd in June 2026. |
| Tans in a circle | 13 | r = 1.55348+ | 1.768541339 | −2.15e-01 | -13.844 | behind | Found by Jake Loyd in June 2026. |
| Tans in a circle | 14 | r = √10/2 = 1.581+ | 1.801117015 | −2.20e-01 | -13.914 | behind | Found by Serhiy Grabarchuk in April 2005. |
| Tans in a circle | 15 | r = 1.66443+ | 1.755911431 | −9.15e-02 | -5.496 | behind | Found by Jake Loyd in June 2026. |
| Tans in a circle | 16 | r = 1.73588+ | 1.917203259 | −1.81e-01 | -10.446 | behind | Found by Haowei Lin in July 2026. |
| Tans in a circle | 17 | r = 1.79723+ | 1.872598362 | −7.54e-02 | -4.194 | behind | Found by Haowei Lin in July 2026. |
| Tans in a circle | 18 | r = 1.83366+ | 2.036503034 | −2.03e-01 | -11.062 | behind | Found by Jake Loyd in June 2026. |
| Tans in a circle | 19 | r = 1.88814+ | 1.973825791 | −8.57e-02 | -4.538 | behind | Found by Jake Loyd in June 2026. |
| Tans in a circle | 20 | r = 1.93661+ | 2.016251658 | −7.96e-02 | -4.112 | behind | Found by Haowei Lin in July 2026. |
| Tans in a domino | 2 | s = 2√2/3 = .94280+ | 0.942809042 | −3.77e-10 | -0.000 | reproduced | Found by Maurizio Morandi in June 2026. |
| Tans in a domino | 3 | s = .99900+ | 0.999003003 | −3.00e-06 | -0.000 | reproduced | Found by Maurizio Morandi in June 2026. |
| Tans in a domino | 4 | s = 1 | 1.000000000 | −4.00e-10 | -0.000 | reproduced | |
| Tans in a domino | 5 | s = 1.30157+ | 1.303244691 | −1.67e-03 | -0.129 | behind | Found by Jonathan Viquerat in June 2026. |
| Tans in a domino | 6 | s = 4/3 = 1.33333+ | 1.355000204 | −2.17e-02 | -1.625 | behind | Found by Maurizio Morandi in June 2026. |
| Tans in a domino | 7 | s = √2 = 1.41421+ | 1.419367086 | −5.15e-03 | -0.364 | behind | |
| Tans in a domino | 8 | s = √2 = 1.41421+ | 1.513782719 | −9.96e-02 | -7.041 | behind | |
| Tans in a domino | 9 | s = 1.60710+ | 1.754613054 | −1.48e-01 | -9.179 | behind | Found by Maurizio Morandi in June 2026. |
| Tans in a domino | 10 | s = 1 + 1/√2 = 1.70710+ | 1.771713934 | −6.46e-02 | -3.785 | behind | Found by Maurizio Morandi in June 2026. |
| Tans in a domino | 11 | s = 1.74954+ | 1.916394459 | −1.67e-01 | -9.537 | behind | Found by Aapo Lipponen in July 2026. |
| Tans in a domino | 12 | s = 3(1+√2)/4 = 1.81066+ | 1.998048024 | −1.87e-01 | -10.349 | behind | Found by Maurizio Morandi in June 2026. |
| Tans in a domino | 13 | s = 1/2+√2 = 1.91421+ | 1.944687338 | −3.05e-02 | -1.592 | behind | Found by Maurizio Morandi in June 2026. |
| Tans in a domino | 14 | s = (7+2√2)/5 = 1.96568+ | 2.015263222 | −4.96e-02 | -2.522 | behind | Found by Maurizio Morandi in June 2026. |
| Tans in a domino | 15 | s = 2 | 2.039651770 | −3.97e-02 | -1.983 | behind | |
| Tans in a domino | 16 | s = 2 | 2.012810801 | −1.28e-02 | -0.641 | behind | |
| Tans in a domino | 17 | s = (7+4√2)/6 = 2.10947+ | 2.590358051 | −4.81e-01 | -22.796 | behind | Found by Maurizio Morandi in June 2026. |
| Tans in a domino | 18 | s = 2.17527+ | 2.257584016 | −8.23e-02 | -3.784 | behind | Found by Maurizio Morandi in June 2026. |
| Tans in a hexagon | 2 | s = (3+√3)/6 = .78867+ | 0.788675138 | −3.09e-09 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Tans in a hexagon | 3 | s = .98882+ | 0.988828393 | −8.39e-06 | -0.001 | reproduced | Found by Aapo Lippoen in July 2026. |
| Tans in a hexagon | 4 | s = 1.05845+ | 1.060623023 | −2.17e-03 | -0.205 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a hexagon | 5 | s = 1.13976+ | 1.206521484 | −6.68e-02 | -5.858 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a hexagon | 6 | s = 1.20610+ | 1.241260192 | −3.52e-02 | -2.915 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a hexagon | 7 | s = 1.30322+ | 1.323277920 | −2.01e-02 | -1.539 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a hexagon | 8 | s = 1.37728+ | 1.513097590 | −1.36e-01 | -9.861 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a hexagon | 9 | s = 1.44631+ | 1.610422909 | −1.64e-01 | -11.347 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a hexagon | 10 | s = 1.51366+ | 1.624540842 | −1.11e-01 | -7.325 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a hexagon | 11 | s = 1.59198+ | 1.632152964 | −4.02e-02 | -2.523 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 12 | s = 1.65076+ | 1.714942884 | −6.42e-02 | -3.888 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 13 | s = 1.70429+ | 1.788144572 | −8.39e-02 | -4.920 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 14 | s = 1.76680+ | 1.984370339 | −2.18e-01 | -12.314 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 15 | s = 1.82658+ | 2.037201548 | −2.11e-01 | -11.531 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 16 | s = 1.88728+ | 1.901404475 | −1.41e-02 | -0.748 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 17 | s = 1.93877+ | 1.981827839 | −4.31e-02 | -2.221 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 18 | s = 1.99031+ | 2.038562224 | −4.83e-02 | -2.424 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 19 | s = 2.03182+ | 2.314967080 | −2.83e-01 | -13.936 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 20 | s = 2.1029+ | 2.161143424 | −5.82e-02 | -2.770 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 21 | s = 2.14048+ | 2.366806296 | −2.26e-01 | -10.574 | behind | Found by Jake Loyd in June 2026. |
| Tans in a hexagon | 22 | s = 2.19278+ | 2.383146217 | −1.90e-01 | -8.682 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 2 | s = .93685+ | 0.936859710 | −9.71e-06 | -0.001 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Tans in a pentagon | 3 | s = 1.10580+ | 1.105796242 | +3.76e-06 | 0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Tans in a pentagon | 4 | s = 1.28055+ | 1.280785801 | −2.36e-04 | -0.018 | behind | Found by Aapo Lipponen in July 2026. |
| Tans in a pentagon | 5 | s = 1.38606+ | 1.386065049 | −5.05e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Tans in a pentagon | 6 | s = 1.50657+ | 1.551761291 | −4.52e-02 | -3.000 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a pentagon | 7 | s = 1.62694+ | 1.643618902 | −1.67e-02 | -1.025 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a pentagon | 8 | s = 1.71964+ | 1.807821457 | −8.82e-02 | -5.128 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a pentagon | 9 | s = 1.79909+ | 1.932526604 | −1.33e-01 | -7.417 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a pentagon | 10 | s = 1.87393+ | 1.988353470 | −1.14e-01 | -6.106 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a pentagon | 11 | s = 1.95640+ | 2.040666832 | −8.43e-02 | -4.307 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 12 | s = 2.02754+ | 2.094219372 | −6.67e-02 | -3.289 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 13 | s = 2.10941+ | 2.176649839 | −6.72e-02 | -3.188 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 14 | s = 2.16639+ | 2.402834722 | −2.36e-01 | -10.914 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 15 | s = 2.25710+ | 2.393924009 | −1.37e-01 | -6.062 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 16 | s = 2.32695+ | 2.531867924 | −2.05e-01 | -8.806 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 17 | s = 2.38607+ | 2.469756926 | −8.37e-02 | -3.507 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 18 | s = 2.44578+ | 2.711505436 | −2.66e-01 | -10.865 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 19 | s = 2.53585+ | 2.777210790 | −2.41e-01 | -9.518 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 20 | s = 2.59169+ | 2.867840457 | −2.76e-01 | -10.655 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 21 | s = 2.65501+ | 2.742475222 | −8.75e-02 | -3.294 | behind | Found by Jake Loyd in June 2026. |
| Tans in a pentagon | 22 | s = 2.71124+ | 3.019915317 | −3.09e-01 | -11.385 | behind | Found by Jake Loyd in June 2026. |
| Tans in a square | 2 | s = 1 | 1.000000000 | −4.00e-10 | -0.000 | reproduced | |
| Tans in a square | 3 | s = √2 = 1.414+ | 1.414213563 | −5.66e-10 | -0.000 | reproduced | |
| Tans in a square | 4 | s = √2 = 1.414+ | 1.414213563 | −5.66e-10 | -0.000 | reproduced | |
| Tans in a square | 5 | s = 1.788+ | 1.788569804 | −5.70e-04 | -0.032 | reproduced | Found by Maurizio Morandi in August 2007. |
| Tans in a square | 6 | s = 1.937+ | 1.998974240 | −6.20e-02 | -3.199 | behind | Found by Maurizio Morandi in February 2008. |
| Tans in a square | 7 | s = 1.999+ | 2.000000001 | −1.00e-03 | -0.050 | reproduced | Found by Maurizio Morandi in August 2007. |
| Tans in a square | 8 | s = 2 | 2.000018476 | −1.85e-05 | -0.001 | behind | |
| Tans in a square | 9 | s = 3/2 + 1/√2 = 2.207+ | 2.356949615 | −1.50e-01 | -6.789 | behind | Found by Erich Friedman in March 2005. |
| Tans in a square | 10 | s = 2.393+ | 2.601727233 | −2.09e-01 | -8.722 | behind | Found by Maurizio Morandi in January 2008. |
| Tans in a square | 11 | s = 1 + √2 = 2.414+ | 2.624836148 | −2.11e-01 | -8.725 | behind | Found by Maurizio Morandi in August 2007. |
| Tans in a square | 12 | s = 2.61115+ | 2.630802721 | −1.97e-02 | -0.753 | behind | Found by Haowei Lin in July 2026. |
| Tans in a square | 13 | s = 2.688+ | 3.008628311 | −3.21e-01 | -11.928 | behind | Found by Maurizio Morandi in March 2008. |
| Tans in a square | 14 | s = 2.76345+ | 2.854047963 | −9.06e-02 | -3.278 | behind | Found by Haowei Lin in July 2026. |
| Tans in a square | 15 | s = 2.82735+ | 3.060035152 | −2.33e-01 | -8.230 | behind | Found by Aapo Lipponen in July 2026. |
| Tans in a square | 16 | s = 2√2 = 2.828+ | 3.043632017 | −2.15e-01 | -7.610 | behind | |
| Tans in a square | 17 | s = 2.970+ | 3.446091479 | −4.76e-01 | -16.030 | behind | Found by David W. Cantrell in August 2007. |
| Tans in a square | 18 | s = 3 | 3.064198962 | −6.42e-02 | -2.140 | behind | |
| Tans in a square | 19 | s = 3.201+ | 3.508781859 | −3.08e-01 | -9.615 | behind | Found by Maurizio Morandi in February 2008. |
| Tans in a square | 20 | s = 3.26857+ | 3.556819788 | −2.88e-01 | -8.819 | behind | Found by Aapo Lippoen in July 2026. |
| Tans in a square | 21 | s = 3.340+ | 3.959542464 | −6.20e-01 | -18.549 | behind | Found by Maurizio Morandi in March 2008. |
| Tans in a square | 22 | s = 3.392+ | 3.514392618 | −1.22e-01 | -3.608 | behind | Found by Maurizio Morandi in December 2007. |
| Tans in a square | 23 | s = 3.464+ | 3.609775406 | −1.46e-01 | -4.208 | behind | Found by Maurizio Morandi in December 2007. |
| Tans in a square | 24 | s = 3.517+ | 3.959767771 | −4.43e-01 | -12.589 | behind | Found by David W. Cantrell in August 2007. |
| Tans in a tan | 2 | s = √2 = 1.414+ | 1.414213563 | −5.66e-10 | -0.000 | reproduced | |
| Tans in a tan | 3 | s = (4+√2+2√(2+2√2))/5 = 1.96179+ | 1.961790004 | −7.85e-10 | -0.000 | reproduced | Found by Ed Pegg in March 2005. |
| Tans in a tan | 4 | s = 2 | 2.121320386 | −1.21e-01 | -6.066 | behind | |
| Tans in a tan | 5 | s = 2.405+ | 2.414213610 | −9.21e-03 | -0.383 | behind | Found by David W. Cantrell in May 2005. |
| Tans in a tan | 6 | s = (12 + √6 + 5√2)/8 = 2.690+ | 2.708008426 | −1.79e-02 | -0.667 | behind | Found by Maurizio Morandi in October 2007. |
| Tans in a tan | 7 | s = 2.82434+ | 2.854060736 | −2.97e-02 | -1.052 | behind | Found by Maurizio Morandi in August 2007. |
| Tans in a tan | 8 | s = 2√2 = 2.828+ | 3.000149976 | −1.72e-01 | -6.072 | behind | |
| Tans in a tan | 9 | s = 3 | 3.038239476 | −3.82e-02 | -1.275 | behind | |
| Tans in a tan | 10 | s = 3.30743+ | 3.413039485 | −1.06e-01 | -3.193 | behind | Found by Maurizio Morandi in August 2007. |
| Tans in a tan | 11 | s = 2 + √2 = 3.414+ | 3.665634546 | −2.51e-01 | -7.364 | behind | Found by Erich Friedman in March 2005. |
| Tans in a tan | 12 | s = 3.53106+ | 3.752654870 | −2.22e-01 | -6.276 | behind | Found by Maurizio Morandi in August 2007. |
| Tans in a tan | 13 | s = 3 + √2/2 = 3.707+ | 4.095535336 | −3.88e-01 | -10.478 | behind | Found by Erich Friedman in March 2005. |
| Tans in a tan | 14 | s = 1 + 2√2 = 3.828+ | 4.010060739 | −1.82e-01 | -4.745 | behind | Found by Erich Friedman in March 2005. |
| Tans in a tan | 15 | s = 5/2 + √2 = 3.914+ | 4.047702897 | −1.33e-01 | -3.411 | behind | Found by Maurizio Morandi in August 2007. |
| Tans in a tan | 16 | s = 4 | 4.069311884 | −6.93e-02 | -1.733 | behind | |
| Tans in a tan | 17 | s = 4.181+ | 4.371183055 | −1.90e-01 | -4.549 | behind | Found by Maurizio Morandi in August 2007. |
| Tans in a tan | 18 | s = 3√2 = 4.242+ | 4.508189761 | −2.66e-01 | -6.260 | behind | |
| Tans in a tan | 19 | s = 4.413+ | 4.734706665 | −3.22e-01 | -7.290 | behind | Found by David W. Cantrell in May 2005. |
| Tans in a tan | 20 | s = 4.535+ | 4.784964858 | −2.50e-01 | -5.512 | behind | Found by Maurizio Morandi in August 2007. |
| Tans in a tan | 21 | s = (6 + 9√2)/4 = 4.681+ | 4.959368900 | −2.77e-01 | -5.926 | behind | Found by Maurizio Morandi in October 2007. |
| Tans in a tan | 22 | s = 3 + 5√2/4 = 4.767+ | 4.995243624 | −2.27e-01 | -4.772 | behind | Found by Maurizio Morandi in July 2009. |
| Tans in a tan | 23 | s = 4.886+ | 5.166397479 | −2.80e-01 | -5.739 | behind | Found by Maurizio Morandi in November 2007. |
| Tans in a tan | 24 | s = 4.947+ | 5.105939860 | −1.59e-01 | -3.213 | behind | Found by Maurizio Morandi in October 2007. |
| Tans in a tan | 25 | s = 5 | 5.011449527 | −1.14e-02 | -0.229 | behind | |
| Tans in a tan | 26 | s = 3 + 3/√2 = 5.121+ | 5.801776469 | −6.80e-01 | -13.288 | behind | Found by Maurizio Morandi in July 2009. |
| Tans in a tan | 27 | s = 5.241+ | 5.842092553 | −6.01e-01 | -11.469 | behind | Found by Maurizio Morandi in July 2009. |
| Tans in a triangle | 2 | s = (1+√3)/√2 = 1.93185+ | 1.931851653 | −7.73e-10 | -0.000 | reproduced | |
| Tans in a triangle | 3 | s = 3/√2 = 2.12132+ | 2.121320344 | −8.49e-10 | -0.000 | reproduced | |
| Tans in a triangle | 4 | s = 2.53732+ | 2.542382915 | −5.06e-03 | -0.200 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a triangle | 5 | s = 2.74147+ | 2.777939226 | −3.65e-02 | -1.330 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a triangle | 6 | s = 2.93781+ | 2.975496728 | −3.77e-02 | -1.283 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a triangle | 7 | s = 3.17427+ | 3.216732358 | −4.25e-02 | -1.338 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in a triangle | 8 | s = 3.35224+ | 3.432106183 | −7.99e-02 | -2.382 | behind | Found by Jonathan Viquerat in May 2026. |
| Tans in a triangle | 9 | s = 3.51439+ | 3.652427543 | −1.38e-01 | -3.928 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in a triangle | 10 | s = 3.69367+ | 3.957766211 | −2.64e-01 | -7.150 | behind | Found by Aapo Lipponen in July 2026. |
| Tans in a triangle | 11 | s = 3.82731+ | 4.141753754 | −3.14e-01 | -8.216 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in a triangle | 12 | s = 4 | 4.048090182 | −4.81e-02 | -1.202 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in a triangle | 13 | s = 4.14927+ | 4.506795877 | −3.58e-01 | -8.617 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in a triangle | 14 | s = 4.29538+ | 4.853863666 | −5.58e-01 | -13.002 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in a triangle | 15 | s = 4.41143+ | 5.208837878 | −7.97e-01 | -18.076 | behind | Found by Haowei Lin in July 2026. |
| Tans in a triangle | 16 | s = 4.60690+ | 5.176505225 | −5.70e-01 | -12.364 | behind | Found by Haowei Lin in July 2026. |
| Tans in a triangle | 17 | s = 4.72627+ | 4.953290246 | −2.27e-01 | -4.803 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in a triangle | 18 | s = 4.84346+ | 5.399196137 | −5.56e-01 | -11.474 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in a triangle | 19 | s = 4.96765+ | 5.674645515 | −7.07e-01 | -14.232 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a triangle | 20 | s = 5.06562+ | 5.759684374 | −6.94e-01 | -13.701 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in a triangle | 21 | s = 5.23033+ | 5.515514513 | −2.85e-01 | -5.453 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in a triangle | 22 | s = 5.33580+ | 5.493114885 | −1.57e-01 | -2.948 | behind | Found by Jonathan Loyd in June 2026. |
| Tans in an L | 2 | s = 1/√2 = .707+ | 0.707106781 | −2.83e-10 | -0.000 | reproduced | |
| Tans in an L | 3 | s = (1+√7) / 4 = .911+ | 0.911437844 | −1.63e-08 | -0.000 | reproduced | Found by Erich Friedman in July 2011. |
| Tans in an L | 4 | s = (√6 + √2) / 4 = .965+ | 0.996805449 | −3.09e-02 | -3.200 | behind | Found by Maurizio Morandi in July 2012. |
| Tans in an L | 5 | s = 1 | 0.999915808 | +8.42e-05 | 0.008 | beaten | |
| Tans in an L | 6 | s = 1 | 1.000000000 | −4.00e-10 | -0.000 | reproduced | |
| Tans in an L | 7 | s = (2 + √2) / 3 = 1.138+ | 1.237772787 | −9.97e-02 | -8.761 | behind | Found by David W. Cantrell in July 2012. |
| Tans in an L | 8 | s = (1 + 2√2) / 3 = 1.276+ | 1.381696585 | −1.06e-01 | -8.272 | behind | Found by Maurizio Morandi in July 2012. |
| Tans in an L | 9 | s = 4/3 = 1.333+ | 1.401007779 | −6.77e-02 | -5.077 | behind | Found by Maurizio Morandi in July 2012. |
| Tans in an L | 10 | s = 1.400+ | 1.506999839 | −1.07e-01 | -7.643 | behind | Found by Maurizio Morandi in July 2012. |
| Tans in an L | 11 | s = √2 = 1.414+ | 1.499986693 | −8.58e-02 | -6.066 | behind | |
| Tans in an L | 12 | s = √2 = 1.414+ | 1.569539715 | −1.55e-01 | -10.985 | behind | |
| Tans in an L | 13 | s = 1.499+ | 1.802710992 | −3.04e-01 | -20.261 | behind | Found by Maurizio Morandi in July 2012. |
| Tans in an L | 14 | s = 1.607+ | 1.823063981 | −2.16e-01 | -13.445 | behind | Found by Maurizio Morandi in August 2012. |
| Tans in an L | 15 | s = 1.680+ | 1.712804130 | −3.28e-02 | -1.953 | behind | Found by Maurizio Morandi in August 2012. |
| Tans in an L | 16 | s = 1 + 1/√2 = 1.70711+ | 1.942331421 | −2.35e-01 | -13.779 | behind | Found by Edoardo Gnaldi in September 2026. |
| Tans in an L | 17 | s = (4 + √2) / 3 = 1.804+ | 1.982366601 | −1.78e-01 | -9.846 | behind | Found by Maurizio Morandi in August 2012. |
| Tans in an octagon | 2 | s = 1/√(2+√2) = .54119+ | 0.541196100 | −2.16e-10 | -0.000 | reproduced | |
| Tans in an octagon | 3 | s = .72389+ | 0.723891057 | −1.06e-06 | -0.000 | reproduced | Found by Thomas Greenleaf in June 2026. |
| Tans in an octagon | 4 | s = √(2–√2) = .76536+ | 0.823112557 | −5.77e-02 | -7.545 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in an octagon | 5 | s = .88072+ | 0.885270198 | −4.55e-03 | -0.517 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in an octagon | 6 | s = √(2+√2)/2 = .92387+ | 0.959126328 | −3.52e-02 | -3.815 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in an octagon | 7 | s = .98623+ | 1.050704068 | −6.45e-02 | -6.537 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in an octagon | 8 | s = 1 | 1.086166119 | −8.62e-02 | -8.617 | behind | |
| Tans in an octagon | 9 | s = 1.08295+ | 1.137769909 | −5.48e-02 | -5.062 | behind | Found by Jake Loyd in June 2026. |
| Tans in an octagon | 10 | s = 1.09348+ | 1.229694279 | −1.36e-01 | -12.457 | behind | Found by Jake Loyd in June 2026. |
| Tans in an octagon | 11 | s = 1.15384+ | 1.255356939 | −1.02e-01 | -8.798 | behind | Found by Jake Loyd in June 2026. |
| Tans in an octagon | 12 | s = 4–2√2 = 1.17157+ | 1.250630211 | −7.91e-02 | -6.748 | behind | Found by Thomas Greenleaf in June 2026. |
| Tans in an octagon | 13 | s = 1.21868+ | 1.428886384 | −2.10e-01 | -17.249 | behind | Found by Jake Loyd in June 2026. |
| Tans in an octagon | 14 | s = 3(√2–1) = 1.24264+ | 1.416268352 | −1.74e-01 | -13.972 | behind | Found by Maurizio Morandi in June 2026. |
| Tans in an octagon | 15 | s = 1.31145+ | 1.426752889 | −1.15e-01 | -8.792 | behind | Found by Jake Loyd in June 2026. |
| Tans in an octagon | 16 | s = 9/√2–5 = 1.36396+ | 1.447148527 | −8.32e-02 | -6.099 | behind | Found by Jake Loyd in June 2026. |
| Tans in an octagon | 17 | s = 1.39954+ | 1.486068871 | −8.65e-02 | -6.183 | behind | Found by Jake Loyd in June 2026. |
| Tans in an octagon | 18 | s = √2 = 1.41421+ | 1.509219859 | −9.50e-02 | -6.718 | behind | Found by Jake Loyd in June 2026. |
| Tans in an octagon | 19 | s = 1.48829+ | 1.733095857 | −2.45e-01 | -16.449 | behind | Found by Jake Loyd in June 2026. |
| Tans in an octagon | 20 | s = 35/3–43/3√2 = 1.53146+ | 1.757936323 | −2.26e-01 | -14.788 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a circle | 2 | r = √3/2 = .866+ | 0.866025415 | −1.07e-08 | -0.000 | reproduced | |
| Triangles in a circle | 3 | r = 3√3 – 3√2 = .953+ | 0.953511750 | −1.48e-08 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Triangles in a circle | 4 | r = .980+ | 0.980597945 | −5.98e-04 | -0.061 | reproduced | Found by Erich Friedman in 1997. |
| Triangles in a circle | 5 | r = 1 | 1.000000000 | −4.00e-10 | -0.000 | reproduced | |
| Triangles in a circle | 6 | r = 1 | 1.000015329 | −1.53e-05 | -0.002 | behind | |
| Triangles in a circle | 7 | r = 1.152+ | 1.153231878 | −1.23e-03 | -0.107 | behind | Found by Erich Friedman in 1997. |
| Triangles in a circle | 8 | r = 1.263+ | 1.265692129 | −2.69e-03 | -0.213 | behind | Found by Maurizio Morandi in April 2008. |
| Triangles in a circle | 9 | r = 1.314+ | 1.314752945 | −7.53e-04 | -0.057 | reproduced | Found by David W. Cantrell in July 2002. |
| Triangles in a circle | 10 | r = 1.38468+ | 1.385680061 | −1.00e-03 | -0.072 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in a circle | 11 | r = 1.466+ | 1.507265477 | −4.13e-02 | -2.815 | behind | Found by David W. Cantrell in August 2012. |
| Triangles in a circle | 12 | r = 1.507+ | 1.511536071 | −4.54e-03 | -0.301 | behind | Found by David W. Cantrell in October 2005. |
| Triangles in a circle | 13 | r = √(7/3) = 1.527+ | 1.530500836 | −2.98e-03 | -0.195 | behind | Found by Erich Friedman in 1997. |
| Triangles in a circle | 14 | r = 1.60448+ | 1.607206958 | −2.73e-03 | -0.170 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a circle | 15 | r = 1.636+ | 1.714286578 | −7.83e-02 | -4.785 | behind | Found by David W. Cantrell in July 2002. |
| Triangles in a circle | 16 | r = 1.687+ | 1.744892910 | −5.79e-02 | -3.432 | behind | Found by Maurizio Morandi in April 2008. |
| Triangles in a circle | 17 | r = 1.730+ | 1.981617862 | −2.52e-01 | -14.544 | behind | Found by David W. Cantrell in July 2005. |
| Triangles in a circle | 18 | r = 1.80176+ | 1.806601968 | −4.84e-03 | -0.269 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a circle | 19 | r = √(10/3) = 1.825+ | 1.853852175 | −2.81e-02 | -1.540 | behind | Found by Haym Hirsh in August 2019. |
| Triangles in a circle | 20 | r = 1.874+ | 1.935507862 | −6.15e-02 | -3.282 | behind | Found by Erich Friedman in 1997. |
| Triangles in a circle | 21 | r = 1.910+ | 1.914916747 | −4.92e-03 | -0.257 | behind | Found by Maurizio Morandi in May 2008. |
| Triangles in a circle | 22 | r = 1.943+ | 2.012362967 | −6.94e-02 | -3.570 | behind | Found by Maurizio Morandi in June 2008. |
| Triangles in a circle | 23 | r = 1.98467+ | 1.989521196 | −4.85e-03 | -0.244 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a circle | 24 | r = 2 | 2.017174420 | −1.72e-02 | -0.859 | behind | |
| Triangles in a circle | 25 | r = 2.055+ | 2.293554876 | −2.39e-01 | -11.609 | behind | Found by David W. Cantrell in July 2005. |
| Triangles in a circle | 26 | r = 2.10664+ | 2.123819166 | −1.72e-02 | -0.815 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 27 | r = 2.138+ | 2.297639709 | −1.60e-01 | -7.467 | behind | Found by David W. Cantrell in July 2005. |
| Triangles in a circle | 28 | r = 2.18805+ | 2.291934827 | −1.04e-01 | -4.748 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 29 | r = 2.20935+ | 2.378622597 | −1.69e-01 | -7.662 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a circle | 30 | r = 2.25124+ | 2.373894060 | −1.23e-01 | -5.448 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 31 | r = 2.272+ | 2.297979887 | −2.60e-02 | -1.143 | behind | Found by Maurizio Morandi in July 2008. |
| Triangles in a circle | 32 | r = 2.31295+ | 2.500492563 | −1.88e-01 | -8.108 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 33 | r = 2.34169+ | 2.503360719 | −1.62e-01 | -6.904 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 34 | r = 2.37504+ | 2.528099896 | −1.53e-01 | -6.445 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 35 | r = 2.39906+ | 2.526071254 | −1.27e-01 | -5.294 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 36 | r = 2.43969+ | 2.455129665 | −1.54e-02 | -0.633 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 37 | r = 2.46349+ | 2.520059271 | −5.66e-02 | -2.296 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 38 | r = 2.49003+ | 2.659013293 | −1.69e-01 | -6.786 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 39 | r = 2.51938+ | 2.558120738 | −3.87e-02 | -1.538 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 40 | r = 2.55675+ | 2.652385735 | −9.56e-02 | -3.741 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 41 | r = 2.58629+ | 2.604958107 | −1.87e-02 | -0.722 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 42 | r = 2.61145+ | 2.653029967 | −4.16e-02 | -1.592 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 43 | r = 2.63998+ | 2.807165647 | −1.67e-01 | -6.333 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 44 | r = 2.66620+ | 2.698836825 | −3.26e-02 | -1.224 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 45 | r = 2.69809+ | 2.739751352 | −4.17e-02 | -1.544 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 46 | r = 2.72457+ | 2.842261741 | −1.18e-01 | -4.320 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 47 | r = 2.75037+ | 2.785123760 | −3.48e-02 | -1.264 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 48 | r = 2.77672+ | 2.800826813 | −2.41e-02 | -0.868 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 49 | r = 2.80521+ | 2.827161756 | −2.20e-02 | -0.783 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a circle | 50 | r = 2.82736+ | 2.854818307 | −2.75e-02 | -0.971 | behind | Found by Thomas Schadt in August 2026. |
| Triangles in a domino | 2 | s = √3/2 | 0.866025404 | −3.46e-10 | -0.000 | reproduced | |
| Triangles in a domino | 3 | s = .96796+ | 0.967967141 | −7.14e-06 | -0.001 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 4 | s = 1.12036+ | 1.120369428 | −9.43e-06 | -0.001 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 5 | s = 1.26315+ | 1.263157874 | −7.87e-06 | -0.001 | reproduced | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 6 | s = 1.37629+ | 1.376305026 | −1.50e-05 | -0.001 | behind | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 7 | s = 1.49076+ | 1.492220203 | −1.46e-03 | -0.098 | behind | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 8 | s = 1.56293+ | 1.577894780 | −1.50e-02 | -0.957 | behind | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 9 | s = 1.64882+ | 1.693300468 | −4.45e-02 | -2.698 | behind | Found by Bhavithran Ananthan in July 2026. |
| Triangles in a domino | 10 | s = 1.68302+ | 1.719108930 | −3.61e-02 | -2.144 | behind | Found by Aapo Lipponen in July 2026. |
| Triangles in a domino | 11 | s = 1.72971+ | 1.730010548 | −3.01e-04 | -0.017 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a domino | 12 | s = 1.74022+ | 1.745279466 | −5.06e-03 | -0.291 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a domino | 13 | s = 1.85319+ | 1.858381558 | −5.19e-03 | -0.280 | behind | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 14 | s = 3(3–√3)/2 = 1.90192+ | 1.930064476 | −2.81e-02 | -1.480 | behind | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 15 | s = 1.97950+ | 1.980796737 | −1.30e-03 | -0.066 | behind | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 16 | s = 2 | 2.083207026 | −8.32e-02 | -4.160 | behind | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 17 | s = 2.10306+ | 2.108552105 | −5.49e-03 | -0.261 | behind | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 18 | s = 2.14913+ | 2.185604024 | −3.65e-02 | -1.697 | behind | Found by Jonathan Viquerat in April 2026. |
| Triangles in a domino | 19 | s = 2.24322+ | 2.424977651 | −1.82e-01 | -8.103 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a domino | 20 | s = 2.29729+ | 2.501300032 | −2.04e-01 | -8.880 | behind | Found by Aapo Lipponen in July 2026. |
| Triangles in a domino | 21 | s = 2.36328+ | 2.537266136 | −1.74e-01 | -7.362 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a domino | 22 | s = 2.42155+ | 2.600596702 | −1.79e-01 | -7.394 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a domino | 23 | s = 2.45562+ | 2.601639619 | −1.46e-01 | -5.946 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a domino | 24 | s = 2.48387+ | 2.493522297 | −9.65e-03 | -0.389 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a domino | 25 | s = 2.52126+ | 2.619869549 | −9.86e-02 | -3.911 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a hexagon | 2 | s = √3/2 = .866+ | 0.866025415 | −1.14e-08 | -0.000 | reproduced | |
| Triangles in a hexagon | 3 | s = √((6+√33)/12) = .989+ | 0.989299542 | −1.53e-08 | -0.000 | reproduced | Found by Erich Friedman in April 2005. |
| Triangles in a hexagon | 4 | s = 1 | 1.000000000 | −4.00e-10 | -0.000 | reproduced | |
| Triangles in a hexagon | 5 | s = 1 | 1.000000000 | −4.00e-10 | -0.000 | reproduced | |
| Triangles in a hexagon | 6 | s = 1 | 1.000000000 | −4.00e-10 | -0.000 | reproduced | |
| Triangles in a hexagon | 7 | s = 1.277+ | 1.323873211 | −4.69e-02 | -3.671 | behind | Found by David W. Cantrell in May 2005. |
| Triangles in a hexagon | 8 | s = 1.356+ | 1.359291669 | −3.29e-03 | -0.243 | behind | Found by David W. Cantrell in July 2012. |
| Triangles in a hexagon | 9 | s = 1.434+ | 1.435739443 | −1.74e-03 | -0.121 | behind | Found by Erich Friedman in April 2005. |
| Triangles in a hexagon | 10 | s = 1.497+ | 1.497049622 | −4.96e-05 | -0.003 | reproduced | Found by Timo Berthold et al in January 2026. |
| Triangles in a hexagon | 11 | s = 3/2 = 1.500 | 1.538675402 | −3.87e-02 | -2.578 | behind | Found by Erich Friedman in April 2005. |
| Triangles in a hexagon | 12 | s = 1.623+ | 1.629500260 | −6.50e-03 | -0.401 | behind | Found by Timo Berthold et al in January 2026. |
| Triangles in a hexagon | 13 | s = √(587+51√17)/12√2 = 1.663829+ | 1.682474252 | −1.86e-02 | -1.121 | behind | Found by Ian Watson in April 2026. |
| Triangles in a hexagon | 14 | s = 1.725+ | 1.736203802 | −1.12e-02 | -0.649 | behind | Found by David W. Cantrell in August 2012. |
| Triangles in a hexagon | 15 | s = 7/4 = 1.750 | 1.833334030 | −8.33e-02 | -4.762 | behind | Found by Erich Friedman in April 2005. |
| Triangles in a hexagon | 16 | s = 9/5 = 1.800 | 1.984239492 | −1.84e-01 | -10.236 | behind | Found by Maurizio Morandi in April 2008. |
| Triangles in a hexagon | 17 | s = 11/6 = 1.833+ | 1.936298188 | −1.03e-01 | -5.617 | behind | Found by Maurizio Morandi in April 2008. |
| Triangles in a hexagon | 18 | s = 17/9 = 1.888+ | 2.013486653 | −1.25e-01 | -6.599 | behind | Found by Maurizio Morandi in April 2008. |
| Triangles in a hexagon | 19 | s = 1.953+ | 2.030463535 | −7.75e-02 | -3.966 | behind | Found by Alex Adrián Nieto in April 2026. |
| Triangles in a hexagon | 20 | s = 1.97591+ | 2.014862326 | −3.90e-02 | -1.971 | behind | Found by Aaden Abraham in April 2026. |
| Triangles in a hexagon | 21 | s = 1.99869+ | 2.037276498 | −3.86e-02 | -1.931 | behind | Found by Haowei Lin in July 2026. |
| Triangles in a hexagon | 22 | s = 2 | 2.024941852 | −2.49e-02 | -1.247 | behind | |
| Triangles in a hexagon | 23 | s = 2 | 2.024886606 | −2.49e-02 | -1.244 | behind | |
| Triangles in a hexagon | 24 | s = 2 | 2.005069320 | −5.07e-03 | -0.253 | behind | |
| Triangles in a hexagon | 25 | s = 13/6 = 2.16666+ | 2.369602526 | −2.03e-01 | -9.366 | behind | Found by Ignacio Vallejo in April 2026. |
| Triangles in a hexagon | 26 | s = 2.21991+ | 2.488956045 | −2.69e-01 | -12.120 | behind | Found by Ian Watson in April 2026. |
| Triangles in a hexagon | 27 | s = 2.29540+ | 2.321522476 | −2.61e-02 | -1.138 | behind | Found by Haowei Lin in July 2026. |
| Triangles in a hexagon | 28 | s = 2.32251+ | 2.509760049 | −1.87e-01 | -8.062 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a hexagon | 29 | s = 7/3 = 2.33333+ | 2.505569767 | −1.72e-01 | -7.382 | behind | Found by Ignacio Vallejo in April 2026. |
| Triangles in a hexagon | 30 | s = 19/8 = 2.375 | 2.425186837 | −5.02e-02 | -2.113 | behind | Found by Ignacio Vallejo in April 2026. |
| Triangles in a hexagon | 31 | s = 12/5 = 2.4 | 2.525110655 | −1.25e-01 | -5.213 | behind | Found by Emerson Connelly in April 2026. |
| Triangles in a hexagon | 32 | s = 2.46104+ | 2.476981290 | −1.59e-02 | -0.648 | behind | Found by Haowei Lin in July 2026. |
| Triangles in a hexagon | 33 | s = 2.49038+ | 2.674458587 | −1.84e-01 | -7.392 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a hexagon | 34 | s = 5/2 = 2.5 | 2.588930502 | −8.89e-02 | -3.557 | reproduced | Found by Emerson Connelly in April 2026. |
| Triangles in a hexagon | 35 | s = 5/2 = 2.5 | 2.687681247 | −1.88e-01 | -7.507 | behind | Found by Emerson Connelly in April 2026. |
| Triangles in a hexagon | 36 | s = 2.58307+ | 2.680097390 | −9.70e-02 | -3.756 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in a hexagon | 37 | s = 2.61436+ | 2.624780359 | −1.04e-02 | -0.399 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a hexagon | 38 | s = 2.65998+ | 2.721247662 | −6.13e-02 | -2.303 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a hexagon | 39 | s = 8/3 = 2.66666+ | 2.749739466 | −8.31e-02 | -3.115 | behind | Found by Emerson Connelly in April 2026. |
| Triangles in a hexagon | 40 | s = 2.71131+ | 2.747496175 | −3.62e-02 | -1.335 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a hexagon | 41 | s = 2.73692+ | 2.803784243 | −6.69e-02 | -2.443 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a hexagon | 42 | s = 11/4 = 2.75 | 2.921976356 | −1.72e-01 | -6.254 | behind | Found by Maurizio Morandi in May 2026. |
| Triangles in a hexagon | 43 | s = 14/5 =2.8 | 2.887427464 | −8.74e-02 | -3.122 | reproduced | Found by Thomas Greenleaf in June 2026. |
| Triangles in a hexagon | 44 | s = 17/6 = 2.833+ | 2.934083891 | −1.01e-01 | -3.556 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a hexagon | 45 | s = 17/6 = 2.833+ | 2.928084457 | −9.48e-02 | -3.345 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a hexagon | 46 | s = 2.88830+ | 2.962396157 | −7.41e-02 | -2.565 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a hexagon | 47 | s = 35/12 = 2.917+ | 2.944404609 | −2.77e-02 | -0.951 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a hexagon | 48 | s = 47/16 =2.9375 | 3.016661043 | −7.92e-02 | -2.695 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a hexagon | 49 | s = 2.97693+ | 3.020148007 | −4.32e-02 | -1.452 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a hexagon | 50 | s = 3 | 2.999355618 | +6.44e-04 | 0.021 | beaten | |
| Triangles in a hexagon | 51 | s = 3 | 3.008688413 | −8.69e-03 | -0.290 | behind | |
| Triangles in a hexagon | 52 | s = 3 | 3.033233800 | −3.32e-02 | -1.108 | behind | |
| Triangles in a hexagon | 53 | s = 3 | 3.011346630 | −1.13e-02 | -0.378 | behind | |
| Triangles in a hexagon | 54 | s = 3 | 3.016921735 | −1.69e-02 | -0.564 | behind | |
| Triangles in a pentagon | 2 | s = √(6/(3+√5)) s = 1.070+ | 1.070466283 | −1.36e-08 | -0.000 | reproduced | |
| Triangles in a pentagon | 3 | s = 1.143+ | 1.143516936 | −5.17e-04 | -0.045 | reproduced | Found by Maurizio Morandi in August 2012. |
| Triangles in a pentagon | 4 | s = 1.199+ | 1.199266482 | −2.66e-04 | -0.022 | reproduced | Found by Maurizio Morandi in July 2012. |
| Triangles in a pentagon | 5 | s = 1 + 2sin(12°)/√3 s = 1.240+ | 1.240075764 | −7.58e-05 | -0.006 | reproduced | Found by Erich Friedman in March 2012. |
| Triangles in a pentagon | 6 | s = 1.393+ | 1.393620342 | −6.20e-04 | -0.045 | reproduced | Found by Dominik Kamp in April 2026. |
| Triangles in a pentagon | 7 | s = 1.581+ | 1.633913311 | −5.29e-02 | -3.347 | behind | Found by David W. Cantrell in July 2012. |
| Triangles in a pentagon | 8 | s = 1.659+ | 1.659337866 | −3.38e-04 | -0.020 | reproduced | Found by Maurizio Morandi in July 2012. |
| Triangles in a pentagon | 9 | s = 1.767+ | 1.769616105 | −2.62e-03 | -0.148 | behind | Found by Maurizio Morandi in July 2012. Improved slightly by David W. Cantrell in August 2012. |
| Triangles in a pentagon | 10 | s = 1.815+ | 1.852813440 | −3.78e-02 | -2.083 | behind | Found by Timo Berthold et al in January 2026. |
| Triangles in a pentagon | 11 | s = 1.871+ | 1.873483094 | −2.48e-03 | -0.133 | behind | Found by Timo Berthold et al in January 2026. |
| Triangles in a pentagon | 12 | s = 1.973+ | 2.001972361 | −2.90e-02 | -1.468 | behind | Found by Ignacio Vallejo in March 2026. |
| Triangles in a pentagon | 13 | s = 2.017+ | 2.021738631 | −4.74e-03 | -0.235 | behind | Found by Timo Berthold et al in January 2026. |
| Triangles in a pentagon | 14 | s = 2.088+ | 2.092245507 | −4.25e-03 | -0.203 | behind | Found by Ignacio Vallejo in April 2026. |
| Triangles in a pentagon | 15 | s = 2.123+ | 2.177914918 | −5.49e-02 | -2.587 | behind | Found by Ignacio Vallejo in March 2026. |
| Triangles in a pentagon | 16 | s = 2.17596+ | 2.180115810 | −4.16e-03 | -0.191 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 17 | s = 2.23656+ | 2.457135273 | −2.21e-01 | -9.862 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 18 | s = 2.29381+ | 2.500196039 | −2.06e-01 | -8.998 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 19 | s = 2.344+ | 2.357099469 | −1.31e-02 | -0.559 | behind | Found by Ignacio Vallejo in March 2026. |
| Triangles in a pentagon | 20 | s = 2.43345+ | 2.638116294 | −2.05e-01 | -8.411 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 21 | s = 2.479+ | 2.724816658 | −2.46e-01 | -9.916 | behind | Found by Ignacio Vallejo in March 2026. |
| Triangles in a pentagon | 22 | s = 2.56740+ | 2.747701985 | −1.80e-01 | -7.023 | behind | Found by Ian Watson in April 2026. |
| Triangles in a pentagon | 23 | s = 2.61825+ | 2.819142309 | −2.01e-01 | -7.673 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 24 | s = 2.66641+ | 2.716604520 | −5.02e-02 | -1.882 | behind | Found by Ian Watson in April 2026. |
| Triangles in a pentagon | 25 | s = 2.71860+ | 2.761110703 | −4.25e-02 | -1.564 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 26 | s = 2.76865+ | 3.005496731 | −2.37e-01 | -8.555 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 27 | s = 2.81741+ | 3.065796954 | −2.48e-01 | -8.816 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 28 | s = 2.86636+ | 3.107115287 | −2.41e-01 | -8.399 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in a pentagon | 29 | s = 2.90240+ | 2.939073459 | −3.67e-02 | -1.264 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in a pentagon | 30 | s = 2.95014+ | 3.135604733 | −1.85e-01 | -6.287 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in a pentagon | 31 | s = 2.98366+ | 3.209763990 | −2.26e-01 | -7.578 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 32 | s = 3.02686+ | 3.220653002 | −1.94e-01 | -6.402 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 33 | s = 3.06583+ | 3.284466901 | −2.19e-01 | -7.131 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 34 | s = 3.11073+ | 3.423547553 | −3.13e-01 | -10.056 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in a pentagon | 35 | s = 3.14843+ | 3.214641893 | −6.62e-02 | -2.103 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in a pentagon | 36 | s = 3.17473+ | 3.493379847 | −3.19e-01 | -10.037 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in a pentagon | 37 | s = 3.21120+ | 3.313209733 | −1.02e-01 | -3.177 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 38 | s = 3.24851+ | 3.529893689 | −2.81e-01 | -8.662 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 39 | s = 3.29219+ | 3.380625198 | −8.84e-02 | -2.686 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 40 | s = 3.32605+ | 3.569264393 | −2.43e-01 | -7.312 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a pentagon | 41 | s = 3.36740+ | 3.719539891 | −3.52e-01 | -10.457 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a pentagon | 42 | s = 3.42505+ | 3.510178518 | −8.51e-02 | -2.485 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in a pentagon | 43 | s = 3.46433+ | 3.560719198 | −9.64e-02 | -2.782 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in a pentagon | 44 | s = 3.51261+ | 3.567905542 | −5.53e-02 | -1.574 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a pentagon | 45 | s = 3.51261+ | 3.835661562 | −3.23e-01 | -9.197 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a pentagon | 46 | s = 3.61491+ | 3.819481681 | −2.05e-01 | -5.659 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a pentagon | 47 | s = 3.65879+ | 3.731906191 | −7.31e-02 | -1.998 | behind | Found by Aapo Lipponen in July 2026. |
| Triangles in a pentagon | 48 | s = 3.67605+ | 3.910834665 | −2.35e-01 | -6.387 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a pentagon | 49 | s = 3.72296+ | 3.805205449 | −8.22e-02 | -2.209 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a pentagon | 50 | s = 3.75988+ | 3.845433192 | −8.56e-02 | -2.275 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a square | 2 | s = √6/2 = 1.224+ | 1.224744896 | −2.48e-08 | -0.000 | reproduced | |
| Triangles in a square | 3 | s = √3/2+√6/4 = 1.478+ | 1.478397856 | −1.67e-08 | -0.000 | reproduced | Found by Erich Friedman in 1996. |
| Triangles in a square | 4 | s = 1+1/√3 = 1.577+ | 1.577350270 | −6.31e-10 | -0.000 | reproduced | Found by Erich Friedman in 1996. |
| Triangles in a square | 5 | s = 1.803+ | 1.803169109 | −1.69e-04 | -0.009 | reproduced | Found by Erich Friedman in 1996. |
| Triangles in a square | 6 | s = 9/2–3√3/2 = 1.901+ | 1.919465812 | −1.75e-02 | -0.923 | behind | Found by Erich Friedman in 1996. |
| Triangles in a square | 7 | s = 2 | 2.000000036 | −3.58e-08 | -0.000 | reproduced | Found by Erich Friedman in 1996. |
| Triangles in a square | 8 | s = 3√3/2–1/2 = 2.098+ | 2.224624559 | −1.27e-01 | -6.032 | behind | Found by Erich Friedman in 1996. |
| Triangles in a square | 9 | s = 2.287+ | 2.289266167 | −2.27e-03 | -0.099 | behind | Found by Maurizio Morandi in July 2008. |
| Triangles in a square | 10 | s = 2.377+ | 2.463731018 | −8.67e-02 | -3.649 | behind | Found by David W. Cantrell in July 2002. |
| Triangles in a square | 11 | s = 2.490+ | 2.498910774 | −8.91e-03 | -0.358 | behind | Found by Maurizio Morandi in June 2008. |
| Triangles in a square | 12 | s = 2.558+ | 2.569612422 | −1.16e-02 | -0.454 | behind | Found by Dominik Kamp in April 2026. |
| Triangles in a square | 13 | s = 2.595+ | 2.598870074 | −3.87e-03 | -0.149 | behind | Found by David W. Cantrell in July 2002. |
| Triangles in a square | 14 | s = 2.726+ | 2.731820858 | −5.82e-03 | -0.214 | behind | Found by David W. Cantrell in July 2002. |
| Triangles in a square | 15 | s = 2.82989+ | 2.839786596 | −9.90e-03 | -0.350 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 16 | s = 2.9000+ | 2.944314789 | −4.43e-02 | -1.528 | behind | Found by Ian Watson in April 2026. |
| Triangles in a square | 17 | s = 2.982+ | 3.025526130 | −4.35e-02 | -1.460 | behind | Found by Maurizio Morandi in July 2008. |
| Triangles in a square | 18 | s = 3.051+ | 3.302796281 | −2.52e-01 | -8.253 | behind | Found by Maurizio Morandi in July 2008. |
| Triangles in a square | 19 | s = 3.12929+ | 3.411704712 | −2.82e-01 | -9.025 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 20 | s = 3.2305+ | 3.381776958 | −1.51e-01 | -4.683 | behind | Found by Ian Watson in April 2026. |
| Triangles in a square | 21 | s = 3.31102+ | 3.505678971 | −1.95e-01 | -5.879 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a square | 22 | s = 3.3757+ | 3.554802921 | −1.79e-01 | -5.306 | behind | Found by Ian Watson in April 2026. |
| Triangles in a square | 23 | s = 3.4311+ | 3.548703081 | −1.18e-01 | -3.428 | behind | Found by Ian Watson in April 2026. |
| Triangles in a square | 24 | s = 3.46780+ | 3.513278815 | −4.55e-02 | -1.311 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a square | 25 | s = 3.537+ | 3.893713646 | −3.57e-01 | -10.085 | behind | Found by David W. Cantrell in August 2012. |
| Triangles in a square | 26 | s = 3.575+ | 3.984607941 | −4.10e-01 | -11.458 | behind | Found by Maurizio Morandi in September 2008. |
| Triangles in a square | 27 | s = 3.6726+ | 4.014139333 | −3.42e-01 | -9.300 | behind | Found by Ian Watson in April 2026. |
| Triangles in a square | 28 | s = 3.75707+ | 4.019373683 | −2.62e-01 | -6.982 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 29 | s = 3.81711+ | 4.315022684 | −4.98e-01 | -13.044 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 30 | s = 3.86619+ | 4.269536507 | −4.03e-01 | -10.433 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 31 | s = 3.93107+ | 4.033466368 | −1.02e-01 | -2.605 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 32 | s = 3.97880+ | 4.342155148 | −3.63e-01 | -9.132 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 33 | s = 4.05164+ | 4.290365125 | −2.39e-01 | -5.892 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 34 | s = 4.09088+ | 4.192091411 | −1.01e-01 | -2.474 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 35 | s = 4.14123+ | 4.331232354 | −1.90e-01 | -4.588 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 36 | s = 4.20791+ | 4.261177864 | −5.33e-02 | -1.266 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 37 | s = 4.26872+ | 4.508744211 | −2.40e-01 | -5.623 | behind | Found by Thomas Schadt in July 2026. |
| Triangles in a square | 38 | s = 4.32008+ | 4.419880603 | −9.98e-02 | -2.310 | behind | Found by Thomas Schadt in July 2026. |
| Triangles in a square | 39 | s = 4.36792+ | 4.440336806 | −7.24e-02 | -1.658 | behind | Found by Jake Loyd in June 2026. |
| Triangles in a square | 40 | s = 4.41057+ | 4.452001968 | −4.14e-02 | -0.939 | behind | Found by Thomas Schadt in July 2026. |
| Triangles in a square | 41 | s = 4.46431+ | 4.567511644 | −1.03e-01 | -2.312 | behind | Found by Thomas Schadt in July 2026. |
| Triangles in a square | 42 | s = 4.51172+ | 4.615238222 | −1.04e-01 | -2.294 | behind | Found by Thomas Schadt in July 2026. |
| Triangles in a square | 43 | s = 4.55033+ | 4.714954195 | −1.65e-01 | -3.618 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a square | 44 | s = 4.60023+ | 5.010070027 | −4.10e-01 | -8.909 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a square | 45 | s = 4.67745+ | 4.774855941 | −9.74e-02 | -2.082 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a square | 46 | s = 4.72960+ | 5.195973433 | −4.66e-01 | -9.861 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a square | 47 | s = 4.78204+ | 5.197357023 | −4.15e-01 | -8.685 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a square | 48 | s = 4.82632+ | 5.080159701 | −2.54e-01 | -5.259 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a square | 49 | s = 4.87132+ | 5.198058629 | −3.27e-01 | -6.707 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a square | 50 | s = 4.92191+ | 5.066031565 | −1.44e-01 | -2.928 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a tan | 2 | s = √3 = 1.73205+ | 1.732050808 | −6.93e-10 | -0.000 | reproduced | |
| Triangles in a tan | 3 | s = (√3+1)/√2 = 1.93185+ | 1.931851653 | −7.73e-10 | -0.000 | reproduced | |
| Triangles in a tan | 4 | s = (3+√3)/2 = 2.36602+ | 2.366025422 | −1.78e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 5 | s = (3√2+√6+2√3)/4 = 2.53905+ | 2.539058053 | −4.13e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 6 | s = √2+√(3/2) = 2.63895+ | 2.638958446 | −1.21e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 7 | s = 2.78972+ | 2.789728398 | −8.40e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 8 | s = 3.07313+ | 3.156596587 | −8.35e-02 | -2.716 | behind | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 9 | s = 3.18252+ | 3.267161840 | −8.46e-02 | -2.660 | behind | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 10 | s = 3.34084+ | 3.345955845 | −5.12e-03 | -0.153 | behind | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 11 | s = 3.46951+ | 3.575877864 | −1.06e-01 | -3.066 | behind | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 12 | s = 3.62487+ | 3.635081021 | −1.02e-02 | -0.282 | behind | Found by Bhavithran Ananthan in July 2026. |
| Triangles in a tan | 13 | s = 3.71163+ | 4.009754605 | −2.98e-01 | -8.032 | behind | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 14 | s = 3.88268+ | 4.137265158 | −2.55e-01 | -6.557 | behind | Found by Jonathan Viquerat in May 2026. |
| Triangles in a tan | 15 | s = 3.98382+ | 3.994828458 | −1.10e-02 | -0.276 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a tan | 16 | s = 4.03901+ | 4.500073861 | −4.61e-01 | -11.415 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a tan | 17 | s = 4.20066+ | 4.240875133 | −4.02e-02 | -0.957 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a tan | 18 | s = 4.27120+ | 4.504224902 | −2.33e-01 | -5.456 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a tan | 19 | s = 4.45701+ | 4.709635512 | −2.53e-01 | -5.668 | behind | Found by Thomas Greenleaf in June 2026. |
| Triangles in a tan | 20 | s = 4.56124+ | 4.569023563 | −7.78e-03 | -0.171 | behind | Found by Bhavithran Ananthan in July 2026. |
| Triangles in a tan | 21 | s = 4.64141+ | 5.049009415 | −4.08e-01 | -8.782 | behind | Found by Akshaj Shandilya in July 2026. |
| Triangles in a tan | 22 | s = 4.73276+ | 4.748527409 | −1.58e-02 | -0.333 | behind | Found by Akshaj Shandilya in July 2026. |
| Triangles in a tan | 23 | s = 4.82958+ | 5.301254194 | −4.72e-01 | -9.766 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a tan | 24 | s = 4.88409+ | 5.389725707 | −5.06e-01 | -10.353 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a tan | 25 | s = 5.02418+ | 5.121649609 | −9.75e-02 | -1.940 | behind | Found by Jonathan Viquerat in September 2026. |
| Triangles in a tan | 26 | s = 5.10960+ | 5.660837548 | −5.51e-01 | -10.788 | behind | Found by Akshaj Shandilya in July 2026. |
| Triangles in a tan | 27 | s = 5.19773+ | 5.344982967 | −1.47e-01 | -2.833 | behind | Found by Akshaj Shandilya in July 2026. |
| Triangles in a tan | 28 | s = 5.32367+ | 5.886567004 | −5.63e-01 | -10.573 | behind | Found by Akshaj Shandilya in July 2026. |
| Triangles in a tan | 29 | s = 5.39194+ | 5.895520742 | −5.04e-01 | -9.340 | behind | Found by Found by Jonathan Viquerat in September 2026. |
| Triangles in a tan | 30 | s = 5.46057+ | 5.555979684 | −9.54e-02 | -1.747 | behind | Found by Found by Jonathan Viquerat in September 2026. |
| Triangles in a triangle | 2 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Triangles in a triangle | 3 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Triangles in a triangle | 4 | s = 2 | 2.000000001 | −8.00e-10 | -0.000 | reproduced | |
| Triangles in a triangle | 6 | s = 13/8 + 3√13/8 = 2.977+ | 2.977081784 | −5.58e-08 | -0.000 | reproduced | Found by Maurizio Morandi in August 2008. |
| Triangles in a triangle | 7 | s = 3 | 3.000000001 | −1.20e-09 | -0.000 | reproduced | |
| Triangles in a triangle | 8 | s = 3 | 3.000000001 | −1.20e-09 | -0.000 | reproduced | |
| Triangles in a triangle | 9 | s = 3 | 3.019078613 | −1.91e-02 | -0.636 | behind | |
| Triangles in a triangle | 10 | s = 7/2 = 3.5 | 3.500000660 | −6.60e-07 | -0.000 | reproduced | Found by Erich Friedman in 1997. |
| Triangles in a triangle | 11 | s = 9/4 + 9√21/28 = 3.722+ | 3.914702802 | −1.92e-01 | -5.151 | behind | Found by Erich Friedman in 1997. |
| Triangles in a triangle | 12 | s = 2 + 2cos(π/9) = 3.879+ | 4.000006947 | −1.21e-01 | -3.120 | behind | Found by David W. Cantrell in July 2007. |
| Triangles in a triangle | 13 | s = 3.992+ | 4.034847136 | −4.28e-02 | -1.073 | behind | Found by Maurizio Morandi in May 2008. |
| Triangles in a triangle | 14 | s = 4 | 4.000000002 | −1.61e-09 | -0.000 | reproduced | |
| Triangles in a triangle | 15 | s = 4 | 4.004188237 | −4.19e-03 | -0.105 | behind | |
| Triangles in a triangle | 16 | s = 4 | 4.000705785 | −7.06e-04 | -0.018 | behind | |
| Triangles in a triangle | 17 | s = 4.465+ | 4.907462936 | −4.42e-01 | -9.910 | behind | Found by Maurizio Morandi in May 2008. |
| Triangles in a triangle | 18 | s = 9/2 = 4.5 | 4.509380491 | −9.38e-03 | -0.208 | reproduced | Found by Erich Friedman in 1997. |
| Triangles in a triangle | 19 | s = 14/3 = 4.666+ | 5.037444734 | −3.71e-01 | -7.946 | behind | Found by Maurizio Morandi in May 2008. |
| Triangles in a triangle | 20 | s = 33/8 + 9√21/56 = 4.861+ | 5.052836292 | −1.91e-01 | -3.936 | behind | Found by Maurizio Morandi in May 2008. |
| Triangles in a triangle | 21 | s = 4.923+ | 5.083722668 | −1.61e-01 | -3.265 | behind | Found by Maurizio Morandi in May 2008. |
| Triangles in a triangle | 22 | s = 4.996+ | 5.009693136 | −1.37e-02 | -0.274 | behind | Found by Maurizio Morandi in May 2008. |
| Triangles in a triangle | 23 | s = 5 | 5.001214387 | −1.21e-03 | -0.024 | behind | |
| Triangles in a triangle | 24 | s = 5 | 5.074434771 | −7.44e-02 | -1.489 | behind | |
| Triangles in a triangle | 25 | s = 5 | 5.000834280 | −8.34e-04 | -0.017 | behind | |
| Triangles in a triangle | 26 | s = 5.406+ | 6.056733033 | −6.51e-01 | -12.037 | behind | Found by Joah Frenzley in April 2026. |
| Triangles in a triangle | 27 | s = 11/2 = 5.5 | 6.082965347 | −5.83e-01 | -10.599 | behind | Found by Erich Friedman in 1997. |
| Triangles in a triangle | 28 | s = 11/2 = 5.5 | 6.088161692 | −5.88e-01 | -10.694 | behind | Found by Erich Friedman in 1997. |
| Triangles in a triangle | 29 | s = 17/3 = 5.666+ | 6.064777230 | −3.98e-01 | -7.026 | behind | Found by David W. Cantrell in July 2007. |
| Triangles in a triangle | 30 | s = 23/4 = 5.75 | 6.088493934 | −3.38e-01 | -5.887 | behind | Found by Maurizio Morandi in May 2008. |
| Triangles in a triangle | 31 | s = 5.90766+ | 6.115278619 | −2.08e-01 | -3.514 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a triangle | 32 | s = 5.94593+ | 6.046561339 | −1.01e-01 | -1.692 | behind | Found by Maurizio Morandi in May 2026. |
| Triangles in a triangle | 33 | s = 5.99759+ | 6.011781171 | −1.42e-02 | -0.237 | behind | Found by Maurizio Morandi in June 2026. |
| Triangles in a triangle | 34 | s = 6 | 6.014282296 | −1.43e-02 | -0.238 | behind | |
| Triangles in a triangle | 35 | s = 6 | 6.160243934 | −1.60e-01 | -2.671 | behind | |
| Triangles in a triangle | 36 | s = 6 | 6.171116757 | −1.71e-01 | -2.852 | behind | |
| Triangles in a triangle | 37 | s = 19/3 = 6.333+ | 7.023639648 | −6.90e-01 | -10.900 | behind | Found by Ian Watson in April 2026. |
| Triangles in a triangle | 38 | s = 6.42823+ | 6.564569889 | −1.36e-01 | -2.121 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a triangle | 39 | s = 13/2 = 6.5 | 7.058360002 | −5.58e-01 | -8.590 | behind | Found by Erich Friedman in April 2026. |
| Triangles in a triangle | 40 | s = 13/2 = 6.5 | 6.862321792 | −3.62e-01 | -5.574 | behind | Found by Erich Friedman in April 2026. |
| Triangles in a triangle | 41 | s = 20/3 = 6.666+ | 7.013992339 | −3.47e-01 | -5.210 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a triangle | 42 | s = 27/4 = 6.75 | 6.793316114 | −4.33e-02 | -0.642 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a triangle | 43 | s = 34/5 = 6.8 | 7.053915075 | −2.54e-01 | -3.734 | behind | Found by Emerson Connelly in May 2026. |
| Triangles in a triangle | 44 | s = 6.93076+ | 7.020707187 | −8.99e-02 | -1.298 | behind | Found by Thomas Schadt in June 2026. |
| Triangles in a triangle | 45 | s = 6.95922+ | 7.021285800 | −6.21e-02 | -0.892 | behind | Found by Maurizio Morandi in May 2026. |
| Triangles in a triangle | 46 | s = 6.99837+ | 7.022019976 | −2.36e-02 | -0.338 | behind | Found by Maurizio Morandi in June 2026. |
| Triangles in a triangle | 47 | s = 7 | 7.020760072 | −2.08e-02 | -0.297 | behind | |
| Triangles in a triangle | 48 | s = 7 | 7.026659126 | −2.67e-02 | -0.381 | behind | |
| Triangles in a triangle | 49 | s = 7 | 7.205708941 | −2.06e-01 | -2.939 | behind | |
| Triangles in a triangle | 50 | s = 7 + √21/14 = 7.32732+ | 8.020720352 | −6.93e-01 | -9.463 | behind | Found by Maurizio Morandi in May 2026. |
| Triangles in an L | 2 | s = √3/2 = .86602+ | 0.866025404 | −3.46e-10 | -0.000 | reproduced | |
| Triangles in an L | 3 | s = √3/2 = .86602+ | 0.866025404 | −3.46e-10 | -0.000 | reproduced | |
| Triangles in an L | 4 | s = .92423+ | 0.924231435 | −1.44e-06 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 5 | s = 1 | 1.000000018 | −1.79e-08 | -0.000 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 6 | s = 1.12037+ | 1.125906072 | −5.54e-03 | -0.494 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 7 | s = 1.17127+ | 1.223528562 | −5.23e-02 | -4.462 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 8 | s = 1.27527+ | 1.300648725 | −2.54e-02 | -1.990 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 9 | s = 1.32893+ | 1.356526897 | −2.76e-02 | -2.077 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 10 | s = 1.39370+ | 1.396649254 | −2.95e-03 | -0.212 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 11 | s = 1.46116+ | 1.535195347 | −7.40e-02 | -5.067 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 12 | s = 3/2 = 1.5 | 1.501911067 | −1.91e-03 | -0.127 | reproduced | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 13 | s = 1.56571+ | 1.705853189 | −1.40e-01 | -8.951 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 14 | s = 1.62225+ | 1.700919893 | −7.87e-02 | -4.849 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 15 | s = 1.68012+ | 1.717661220 | −3.75e-02 | -2.234 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 16 | s = 1.72307+ | 1.728376399 | −5.31e-03 | -0.308 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 17 | s = 1.73204+ | 1.920072632 | −1.88e-01 | -10.856 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 18 | s = 1.75029+ | 1.786626398 | −3.63e-02 | -2.076 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 19 | s = 1.82181+ | 1.977609146 | −1.56e-01 | -8.552 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an L | 20 | s = 1.86706+ | 1.873718913 | −6.66e-03 | -0.357 | behind | Found by Jonathan Viquerat in June 2026. |
| Triangles in an octagon | 2 | s = √3/√(4+2√2) = .66282+ | 0.662827157 | −8.60e-09 | -0.000 | reproduced | |
| Triangles in an octagon | 3 | s = .73651+ | 0.736539682 | −2.97e-05 | -0.004 | behind | Found by Ignacio Vallejo in March 2026. |
| Triangles in an octagon | 4 | s = .77731+ | 0.777317157 | −7.16e-06 | -0.001 | reproduced | Found by Timo Berthold et al in May 2026. |
| Triangles in an octagon | 5 | s = .80366+ | 0.803666304 | −6.30e-06 | -0.001 | reproduced | Found by Nicolas Campailla in May 2026. |
| Triangles in an octagon | 6 | s = .81574+ | 0.824455477 | −8.72e-03 | -1.068 | behind | Found by Ignacio Vallejo in March 2026. |
| Triangles in an octagon | 7 | s = .92453+ | 0.969932888 | −4.54e-02 | -4.911 | behind | Found by Ignacio Vallejo in March 2026. |
| Triangles in an octagon | 8 | s = .98777+ | 0.988425486 | −6.55e-04 | -0.066 | behind | Found by Timo Berthold et al in May 2026. |
| Triangles in an octagon | 9 | s = 1.00871+ | 1.066916270 | −5.82e-02 | -5.770 | behind | Found by Grant Mowry in April 2026. |
| Triangles in an octagon | 10 | s = 1.07515+ | 1.134919590 | −5.98e-02 | -5.559 | behind | Found by Jake Loyd in May 2026. |
| Triangles in an octagon | 11 | s = 1.14562+ | 1.146569577 | −9.50e-04 | -0.083 | behind | Found by Grant Mowry in April 2026. |
| Triangles in an octagon | 12 | s = 1.19914+ | 1.228581139 | −2.94e-02 | -2.455 | behind | Found by Timo Berthold et al in May 2026. |
| Triangles in an octagon | 13 | s = 1.23726+ | 1.249880337 | −1.26e-02 | -1.020 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 14 | s = 1.27629+ | 1.278947709 | −2.66e-03 | -0.208 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 15 | s = 1.30240+ | 1.305677155 | −3.28e-03 | -0.252 | behind | Found by Timo Berthold et al in May 2026. |
| Triangles in an octagon | 16 | s = 1.34566+ | 1.395743971 | −5.01e-02 | -3.722 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 17 | s = 1.38854+ | 1.391069779 | −2.53e-03 | -0.182 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 18 | s = 1.41763+ | 1.507982700 | −9.04e-02 | -6.374 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 19 | s = 1.46678+ | 1.568773516 | −1.02e-01 | -6.954 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 20 | s = 1.49689+ | 1.579385911 | −8.25e-02 | -5.511 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 21 | s = 1.52519+ | 1.538065539 | −1.29e-02 | -0.844 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 22 | s = 1.55435+ | 1.625824716 | −7.15e-02 | -4.598 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 23 | s = 1.58348+ | 1.662261376 | −7.88e-02 | -4.975 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 24 | s = 1.60180+ | 1.657214572 | −5.54e-02 | -3.460 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 25 | s = 1.63703+ | 1.801539545 | −1.65e-01 | -10.049 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 26 | s = 1.67455+ | 1.700087511 | −2.55e-02 | -1.525 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 27 | s = 1.70616+ | 1.731187639 | −2.50e-02 | -1.467 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 28 | s = 1.73796+ | 1.812222981 | −7.43e-02 | -4.273 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 29 | s = 1.75285+ | 1.770836712 | −1.80e-02 | -1.026 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 30 | s = 1.77911+ | 1.863331625 | −8.42e-02 | -4.734 | behind | Found by Jake Loyd in June 2026. |
| Triangles in an octagon | 31 | s = 1.80338+ | 1.913852407 | −1.10e-01 | -6.126 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in an octagon | 32 | s = 1.82994+ | 1.839199819 | −9.26e-03 | -0.506 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in an octagon | 33 | s = 1.84789+ | 1.939430314 | −9.15e-02 | -4.954 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in an octagon | 34 | s = 1.86454+ | 1.889661587 | −2.51e-02 | -1.347 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in an octagon | 35 | s = 1.89051+ | 1.924680673 | −3.42e-02 | -1.807 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in an octagon | 36 | s = 1.92667+ | 1.974396302 | −4.77e-02 | -2.477 | behind | Found by Aristotle Papowitz in July 2026. |
| Triangles in an octagon | 37 | s = 1.95615+ | 1.995255032 | −3.91e-02 | -1.999 | behind | Found by Aristotle Papowitz in July 2026. |
| No cases match this filter. | |||||||
Data as of 2026-09-13 17:36 UTC. Every value is certified by an independent validator; none is a claim of optimality. Nothing has been submitted to the page.