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 A303161 #12 Jun 10 2025 11:29:08 %S A303161 0,4,6,169,2622,137641,11458758,1944369025,692690245830, %T A303161 490393052832400,695395811259688914,1963720302048546357904, %U A303161 11300709997961358290597645,129580789221471473285725965124,2990581397819168926985646623641461 %N A303161 Number of minimal total dominating sets in the n X n grid graph. %H A303161 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GridGraph.html">Grid Graph</a>. %H A303161 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalTotalDominatingSet.html">Minimal Total Dominating Set</a>. %F A303161 a(n) = A303118(n,n). %Y A303161 Main diagonal of A303118. %Y A303161 Cf. A133793, A290382, A303142. %K A303161 nonn,more %O A303161 1,2 %A A303161 _Eric W. Weisstein_, Apr 19 2018 %E A303161 a(7)-a(15) from _Andrew Howroyd_, Apr 20 2018