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 A295119 #4 Nov 15 2017 06:21:01 %S A295119 13,178,1960,24347,295083,3590821,43655680,530696748,6452840307, %T A295119 78464174127,953998068679,11599362088138,141035410432226, %U A295119 1714816891986887,20850061397844599,253511401875888073 %N A295119 Number of nX7 0..1 arrays with each 1 horizontally or vertically adjacent to 1 or 4 1s. %C A295119 Column 7 of A295120. %H A295119 R. H. Hardin, <a href="/A295119/b295119.txt">Table of n, a(n) for n = 1..210</a> %e A295119 Some solutions for n=4 %e A295119 ..1..0..1..0..1..0..0. .1..1..0..0..1..0..1. .0..0..0..1..0..0..0 %e A295119 ..1..0..1..0..1..0..0. .0..0..0..0..1..0..1. .0..0..1..1..1..0..0 %e A295119 ..0..0..0..0..0..1..0. .0..0..0..0..0..0..0. .1..0..0..1..0..0..0 %e A295119 ..1..1..0..0..0..1..0. .0..0..0..1..1..0..0. .1..0..0..0..0..0..0 %Y A295119 Cf. A295120. %K A295119 nonn %O A295119 1,1 %A A295119 _R. H. Hardin_, Nov 15 2017