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 A321674 #11 Jun 10 2025 11:30:13 %S A321674 0,1,20,225,8136,483025,37290000,4470393321,673416268560 %N A321674 Number of minimal total dominating sets in the n X n bishop graph. %H A321674 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BishopGraph.html">Bishop Graph</a>. %H A321674 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalTotalDominatingSet.html">Minimal Total Dominating Set</a>. %F A321674 a(n) = A303229(n) * A303230(n). - _Andrew Howroyd_, Nov 16 2018 %Y A321674 Cf. A303230 (black bishop graph). %Y A321674 Cf. A303229 (white bishop graph). %Y A321674 Cf. A304555, A321673. %K A321674 nonn,more %O A321674 1,3 %A A321674 _Eric W. Weisstein_, Nov 16 2018 %E A321674 a(7)-a(9) from _Andrew Howroyd_, Nov 16 2018