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 A289180 #11 Feb 16 2025 08:33:48 %S A289180 1,15,336,29648,11293568,17784998912,113637188081536, %T A289180 2924018436019899392,301641905727809350974464, %U A289180 124378420721322865523465096192,204571358406088229163099037060664832,1340178778197906145868721021815647098466816 %N A289180 Number of connected dominating sets in the n X n king graph. %H A289180 Andrew Howroyd, <a href="/A289180/b289180.txt">Table of n, a(n) for n = 1..15</a> %H A289180 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConnectedDominatingSet.html">Connected Dominating Set</a> %H A289180 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/KingGraph.html">King Graph</a> %Y A289180 Main diagonal of A291873. %Y A289180 Cf. A133791, A286139, A287690. %K A289180 nonn %O A289180 1,2 %A A289180 _Eric W. Weisstein_, Jun 27 2017 %E A289180 a(6)-a(12) from _Andrew Howroyd_, Sep 04 2017