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 A303228 #12 Jun 10 2025 19:51:00 %S A303228 3,3,22,205,1059,18827,368770,10154157,431120602 %N A303228 Number of minimal total dominating sets in the n-triangular grid graph. %H A303228 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalTotalDominatingSet.html">Minimal Total Dominating Set</a>. %H A303228 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TriangularGridGraph.html">Triangular Grid Graph</a>. %Y A303228 Cf. A302486, A303049, A304562. %K A303228 nonn,more %O A303228 1,1 %A A303228 _Eric W. Weisstein_, Apr 20 2018 %E A303228 a(7)-a(10) from _Andrew Howroyd_, Apr 20 2018