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 A367438 #4 Nov 18 2023 13:22:10 %S A367438 1,1,2,2,3,1,1,1,4,2,2,1,9 %N A367438 Number of polyominoes with n cells that have the maximum degree (A367437(n)) in the polyomino graph PG(n) defined in A367435. %H A367438 Pontus von Brömssen, <a href="/A367437/a367437.svg">Polyominoes of maximum degree for 1 <= n <= 13</a>. %H A367438 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>. %Y A367438 Cf. A367125, A367435, A367437. %K A367438 nonn,more %O A367438 1,3 %A A367438 _Pontus von Brömssen_, Nov 18 2023