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 A304560 #12 Jun 12 2025 18:49:30 %S A304560 0,3,12,48,334,1891,17589,181030,1871363 %N A304560 Number of minimal total dominating sets in the n-triangular honeycomb queen graph. %H A304560 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalTotalDominatingSet.html">Minimal Total Dominating Set</a>. %H A304560 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TriangularHoneycombQueenGraph.html">Triangular Honeycomb Queen Graph</a>. %Y A304560 Cf. A290717, A304556, A304566. %K A304560 nonn,more %O A304560 1,2 %A A304560 _Eric W. Weisstein_, May 14 2018 %E A304560 a(7)-a(9) from _Andrew Howroyd_, May 19 2018