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 A323549 #12 Jun 11 2025 18:08:44 %S A323549 0,0,0,36,480,36,10,16,84,2704,46736,324,80,4,19776,144 %N A323549 Number of minimum total dominating sets in the n X n knight graph. %H A323549 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KnightGraph.html">Knight Graph</a>. %H A323549 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimumTotalDominatingSet.html">Minimum Total Dominating Set</a>. %Y A323549 Cf. A103315, A303155, A346961. %K A323549 nonn,more %O A323549 1,4 %A A323549 _Eric W. Weisstein_, Jan 17 2019 %E A323549 a(7)-a(16) from _Andrew Howroyd_, Jan 19 2022