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 A289902 #12 Feb 16 2025 08:33:49 %S A289902 1,1,27,441,9261,421875,47177249,10546683057,4466853289709, %T A289902 3723323714676297,6207276939337266129,20676801823320497569317, %U A289902 136896643642841500100918369 %N A289902 Number of dominating sets in the n-triangular honeycomb acute knight graph. %H A289902 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DominatingSet.html">Dominating Set</a> %Y A289902 Cf. A289903, A287204, A287064. %K A289902 nonn,more %O A289902 1,3 %A A289902 _Eric W. Weisstein_, Jul 14 2017 %E A289902 a(8) from _Andrew Howroyd_, Jul 17 2017 %E A289902 a(9)-a(13) from _Eric W. Weisstein_, Feb 09 2024