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 A133515 #30 Feb 16 2025 08:33:06 %S A133515 1,11,291,28661,10982565,16031828359,89373230342147, %T A133515 1904212088591018521,155026375803222057878889, %U A133515 48225130114674924906540348115,57322477811272486520770053115140403,260351257812272076026660518356378279922077 %N A133515 Number of n X n binary matrices with every 1 vertically or horizontally adjacent to some 0. %C A133515 Number of dominating sets in the grid graph P_n X P_n. - _Andrew Howroyd_, May 10 2017 %H A133515 Stephan Mertens, <a href="/A133515/b133515.txt">Table of n, a(n) for n = 1..24</a> (first 15 terms from ZhaoYang Liang) %H A133515 Stephan Mertens, <a href="https://arxiv.org/abs/2408.08053">Domination Polynomials of the Grid, the Cylinder, the Torus, and the King Graph</a>, arXiv:2408.08053 [math.CO], Aug 2024. %H A133515 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/DominatingSet.html">Dominating Set</a> %H A133515 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GridGraph.html">Grid Graph</a> %H A133515 Wikipedia, <a href="https://en.wikipedia.org/wiki/Dominating_set">Dominating set</a> %Y A133515 Main diagonal of A218354. %K A133515 nonn %O A133515 1,2 %A A133515 _R. H. Hardin_, Dec 24 2007 %E A133515 a(12) from _Andrew Howroyd_, May 10 2017