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 A303207 #9 Feb 16 2025 08:33:54 %S A303207 0,11,478,64333,33422146,68672148235,562889159477706, %T A303207 18446447134278084301 %N A303207 Number of total dominating sets in the n X n queen graph. %H A303207 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/QueenGraph.html">Queen Graph</a> %H A303207 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TotalDominatingSet.html">Total Dominating Set</a> %K A303207 nonn,more %O A303207 1,2 %A A303207 _Eric W. Weisstein_, Apr 19 2018 %E A303207 a(6)-a(8) from _Christian Sievers_, Nov 24 2023