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 A303213 #17 Apr 04 2025 22:29:43 %S A303213 6,16,400,324,28,144,7452,2500,44,784 %N A303213 Number of minimum total dominating sets in the n X n torus grid graph. %H A303213 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimumTotalDominatingSet.html">Minimum Total Dominating Set</a>. %H A303213 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TorusGridGraph.html">Torus Grid Graph</a>. %Y A303213 Cf. A302406, A303210. %K A303213 nonn,more %O A303213 3,1 %A A303213 _Eric W. Weisstein_, Apr 19 2018 %E A303213 a(6)-a(8) from _Andrew Howroyd_, Apr 21 2018 %E A303213 a(9)-a(10) from _Eric W. Weisstein_, Mar 31 2025 %E A303213 a(11)-a(12) from _Eric W. Weisstein_, Apr 04 2025