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 A347639 #9 Feb 16 2025 08:34:02 %S A347639 1,3,7,27,117,1149,9946,147292,2763601,78714365,2826640715 %N A347639 Number of minimal dominating sets in the n-triangular grid graph. %H A347639 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalDominatingSet.html">Minimal Dominating Set</a> %H A347639 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TriangularGridGraph.html">Triangular Grid Graph</a> %Y A347639 Cf. A287064, A297572, A303228, A347724. %K A347639 nonn,more %O A347639 0,2 %A A347639 _Eric W. Weisstein_, Sep 09 2021 %E A347639 a(6)-a(10) from _Andrew Howroyd_, Jan 19 2022