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 A295037 #4 Nov 12 2017 20:03:33 %S A295037 12,280,3853,59126,898493,13706771,209181266,3184995895,48548926944, %T A295037 740019106008,11277857830329,171883749077632,2619682437092951, %U A295037 39926222792932513,608509663116604097,9274219880373144746 %N A295037 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 2 1s. %C A295037 Column 5 of A295040. %H A295037 R. H. Hardin, <a href="/A295037/b295037.txt">Table of n, a(n) for n = 1..210</a> %H A295037 R. H. Hardin, <a href="/A295037/a295037.txt">Empirical recurrence of order 91</a> %F A295037 Empirical recurrence of order 91 (see link above) %e A295037 Some solutions for n=4 %e A295037 ..0..1..1..1..1. .0..0..1..1..0. .0..0..1..1..1. .0..0..1..1..0 %e A295037 ..1..1..0..0..0. .1..1..0..1..0. .0..0..0..0..1. .0..0..0..0..1 %e A295037 ..1..0..1..1..1. .0..1..0..0..0. .0..1..1..0..0. .0..1..0..0..1 %e A295037 ..1..0..1..0..1. .0..1..1..0..0. .0..0..0..0..0. .0..1..0..0..0 %Y A295037 Cf. A295040. %K A295037 nonn %O A295037 1,1 %A A295037 _R. H. Hardin_, Nov 12 2017