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 A030235 #11 Feb 16 2025 08:32:35 %S A030235 0,0,1,12,72,467,2900,18426,117323,756237,4910525,32135651,211604221, %T A030235 1401106330,9321239836,62271754986,417545272654 %N A030235 Number of n-celled polyplets without bilateral symmetry. %H A030235 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Polyplet.html">Polyplet.</a> %Y A030235 Cf. A030222. %K A030235 nonn,hard %O A030235 1,4 %A A030235 _David W. Wilson_ %E A030235 More terms from _Joseph Myers_, Sep 26 2002