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 A332391 #15 May 22 2025 22:33:58 %S A332391 0,6,20,141,7770,204372,16260853,4570906041,1437642613959, %T A332391 1151580438927120 %N A332391 Number of minimal total dominating sets in the n X n king graph. %H A332391 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KingGraph.html">King Graph</a>. %H A332391 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalTotalDominatingSet.html">Minimal Total Dominating Set</a>. %Y A332391 Main diagonal of A332390. %Y A332391 Cf. A302401, A303116, A303156. %K A332391 nonn,more %O A332391 1,2 %A A332391 _Andrew Howroyd_, Feb 10 2020 %E A332391 a(9)-a(10) from _Christian Sievers_, Dec 02 2023