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 A289145 #8 Feb 16 2025 08:33:48 %S A289145 1,3,16,128,4528,176192,25823200,3695526272 %N A289145 Number of connected dominating sets in the n X n black bishop graph. %H A289145 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BlackBishopGraph.html">Black Bishop Graph</a> %H A289145 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConnectedDominatingSet.html">Connected Dominating Set</a> %Y A289145 Cf. A289164, A289169, A290719. %K A289145 nonn,more %O A289145 1,2 %A A289145 _Eric W. Weisstein_, Jun 26 2017 %E A289145 a(8) from _Andrew Howroyd_, Sep 04 2017