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 A366334 #10 Nov 03 2023 17:01:20 %S A366334 1,2,12,95,1267,22349 %N A366334 Number of free (4,2)-polyominoids with n cells. %C A366334 A (D,d)-polyominoid is a connected set of d-dimensional unit cubes with integer coordinates in D-dimensional space, where two cubes are connected if they share a (d-1)-dimensional facet. For example, (3,2)-polyominoids are normal polyominoids (A075679), (D,D)-polyominoids are D-dimensional polyominoes (A000105, A038119, A068870, ...), and (D,1)-polyominoids are polysticks in D dimensions (A019988, A365559, A365561, ...). %H A366334 Wikipedia, <a href="https://en.wikipedia.org/wiki/Polyominoid">Polyominoid</a>. %H A366334 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>. %Y A366334 46th row of A366766. %Y A366334 Cf. A366335 (fixed). %Y A366334 Free (D,d)-polyominoids: %Y A366334 D\d| 1 2 3 4 %Y A366334 ---+-------------------------------- %Y A366334 1 | A000012 %Y A366334 2 | A019988 A000105 %Y A366334 3 | A365559 A075679 A038119 %Y A366334 4 | A365561 A366334 A366336 A068870 %K A366334 nonn,hard,more %O A366334 1,2 %A A366334 _Pontus von Brömssen_, Oct 07 2023