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 A295528 #4 Nov 23 2017 09:25:16 %S A295528 12,280,4080,64189,1012315,16031147,253594307,4003959566,63279327977, %T A295528 1000139739583,15804787030137,249762291976009,3947048440634688, %U A295528 62375786616766976,985731805754249812,15577646241372914358 %N A295528 Number of nX5 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s. %C A295528 Column 5 of A295531. %H A295528 R. H. Hardin, <a href="/A295528/b295528.txt">Table of n, a(n) for n = 1..210</a> %e A295528 Some solutions for n=5 %e A295528 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .1..0..0..0..0 %e A295528 ..0..1..0..1..1. .0..1..0..0..0. .0..0..1..1..0. .1..0..0..0..0 %e A295528 ..1..1..1..0..1. .0..1..1..1..0. .1..0..0..0..0. .0..0..1..0..0 %e A295528 ..0..1..0..1..1. .1..0..0..0..0. .1..0..0..1..1. .1..1..1..0..0 %e A295528 ..0..0..0..1..0. .1..1..1..1..1. .1..1..0..0..0. .1..0..0..0..0 %Y A295528 Cf. A295531. %K A295528 nonn %O A295528 1,1 %A A295528 _R. H. Hardin_, Nov 23 2017