This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A151532 #7 Feb 16 2025 08:33:09 %S A151532 1,2,2,4,4,7,8,14,16,26,32,50,60,93,116,180,224,340,432,646,812,1215, %T A151532 1552,2314,2944,4371,5592,8252,10520,15558,19928,29370,37512,55318, %U A151532 70800,104042,132900,195685,250336,367662,469536,690584,882664,1295126,1653128,2429594 %N A151532 Number of 1-sided strip polypons with n cells. %H A151532 Ed Pegg, Jr., <a href="http://demonstrations.wolfram.com/PolyformExplorer/">Illustrations of polyforms</a> %H A151532 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Polypon.html">Polypon</a> %Y A151532 Cf. A057784, A151531, A151533. %K A151532 nonn,hard %O A151532 1,2 %A A151532 _Ed Pegg Jr_, May 13 2009 %E A151532 a(21)-a(46) from _Joseph Myers_, Oct 02 2011