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 A303156 #18 Jun 10 2025 15:56:47 %S A303156 0,6,8,35,1,8684,208,604,1192,276696,1362,2,2986,32,38772,28520, %T A303156 441984,1024,5047188 %N A303156 Number of minimum total dominating sets in the n X n king graph. %H A303156 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KingGraph.html">King Graph</a>. %H A303156 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimumTotalDominatingSet.html">Minimum Total Dominating Set</a>. %Y A303156 Main diagonal of A303335. %Y A303156 Cf. A302401, A303116, A332391. %K A303156 nonn,more %O A303156 1,2 %A A303156 _Eric W. Weisstein_, Apr 19 2018 %E A303156 a(6)-a(19) from _Andrew Howroyd_, Apr 21 2018