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 A302401 #36 Feb 16 2025 08:33:53 %S A302401 2,2,4,5,8,9,12,15,18,21,24,29,32,38,43,48,53,60,66,72,79 %N A302401 Total domination number of the n X n king graph. %H A302401 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KingGraph.html">King Graph</a> %H A302401 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TotalDominationNumber.html">Total Domination Number</a> %H A302401 Eric W. Weisstein, <a href="/A302401/a302401.png">Example minimum total domination configurations for n X n king graphs</a> %F A302401 a(n) ~ n^2/7. - _Andrew Howroyd_, Apr 22 2018 %Y A302401 Main diagonal of A303378. %Y A302401 Cf. A303156. %K A302401 nonn,more %O A302401 2,1 %A A302401 _Eric W. Weisstein_, Apr 07 2018 %E A302401 a(17)-a(18) from _Andrew Howroyd_, Apr 22 2018 %E A302401 a(19)-a(20) from _Eric W. Weisstein_, Sep 09 2021 %E A302401 a(21) from _Eric W. Weisstein_, Sep 12 2021 %E A302401 a(22) from _Eric W. Weisstein_, Sep 15 2021