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 A295529 #4 Nov 23 2017 09:26:07 %S A295529 21,876,21489,588529,16031147,437241277,11938414614,325438086413, %T A295529 8875686431050,242075272701612,6602021695088725,180056949233250710, %U A295529 4910676438495880068,133928360921171032911,3652617573522712382545 %N A295529 Number of nX6 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 2 or 4 1s. %C A295529 Column 6 of A295531. %H A295529 R. H. Hardin, <a href="/A295529/b295529.txt">Table of n, a(n) for n = 1..210</a> %e A295529 Some solutions for n=5 %e A295529 ..0..0..0..0..0..1. .0..0..1..1..0..0. .0..0..0..0..1..1. .0..0..0..0..0..0 %e A295529 ..0..0..0..0..1..1. .0..1..0..1..1..1. .0..1..0..1..1..0. .0..0..0..0..1..1 %e A295529 ..0..1..1..0..0..0. .0..1..1..0..0..0. .0..1..0..1..0..1. .0..0..0..1..1..1 %e A295529 ..0..0..1..1..0..1. .0..0..1..0..0..1. .0..0..0..0..0..1. .0..0..0..0..1..0 %e A295529 ..0..0..0..1..0..1. .0..0..1..0..0..1. .0..0..0..0..0..0. .0..0..1..1..0..0 %Y A295529 Cf. A295531. %K A295529 nonn %O A295529 1,1 %A A295529 _R. H. Hardin_, Nov 23 2017