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 A291595 #9 Feb 16 2025 08:33:50 %S A291595 1,6,35,336,8095,389502,41541383,7705628640,3104759041723 %N A291595 Number of (non-null) connected induced subgraphs in the n X n bishop graph. %H A291595 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BishopGraph.html">Bishop Graph</a> %H A291595 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConnectedGraph.html">Connected Graph</a> %H A291595 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Vertex-InducedSubgraph.html">Vertex-Induced Subgraph</a> %F A291595 a(n) = A290719(n) + A290769(n) for n > 1. - _Andrew Howroyd_, Aug 27 2017 %Y A291595 Cf. A290719, A290769. %K A291595 nonn,more %O A291595 1,2 %A A291595 _Eric W. Weisstein_, Aug 27 2017 %E A291595 a(6)-a(9) from _Andrew Howroyd_, Aug 27 2017