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 A290717 #9 Feb 16 2025 08:33:50 %S A290717 1,3,15,35,219,1243,7492,54303,436934,3878931 %N A290717 Number of minimal dominating sets in the n-triangular honeycomb queen graph. %H A290717 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalDominatingSet.html">Minimal Dominating Set</a> %Y A290717 Cf. A289876. %K A290717 nonn,more %O A290717 1,2 %A A290717 _Eric W. Weisstein_, Aug 09 2017 %E A290717 a(7)-a(10) from _Andrew Howroyd_, Aug 19 2017