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 A366336 #9 Nov 03 2023 17:01:05 %S A366336 1,2,9,67,714,10974 %N A366336 Number of free (4,3)-polyominoids with n cells. %C A366336 See A366334 for definitions. %H A366336 Wikipedia, <a href="https://en.wikipedia.org/wiki/Polyominoid">Polyominoid</a>. %H A366336 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>. %Y A366336 78th row of A366766. %Y A366336 Cf. A366334, A366337 (fixed). %K A366336 nonn,hard,more %O A366336 1,2 %A A366336 _Pontus von Brömssen_, Oct 07 2023