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 A365561 #8 Nov 03 2023 17:01:35 %S A365561 1,2,7,31,199,1651,16648 %N A365561 Number of free n-polysticks (or polyedges) in 4 dimensions. %H A365561 <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>. %Y A365561 42nd row of A366766. %Y A365561 Sum of first four columns of A365566. %Y A365561 Cf. A019988 (2 dimensions), A365559 (3 dimensions), A365562 (fixed), A365563 (5 dimensions), A365565 (arbitrary dimension). %K A365561 nonn,hard,more %O A365561 1,2 %A A365561 _Pontus von Brömssen_, Sep 09 2023