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 A288967 #8 Feb 16 2025 08:33:48 %S A288967 0,12,4536,111933456 %N A288967 Number of (undirected) paths on the n X n rook graph. %H A288967 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GraphPath.html">Graph Path</a> %H A288967 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/RookGraph.html">Rook Graph</a> %Y A288967 Main diagonal of A360877. %Y A288967 Cf. A096970, A234624. %K A288967 nonn,more %O A288967 1,2 %A A288967 _Eric W. Weisstein_, Jun 20 2017