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 A302812 #4 Apr 13 2018 13:12:05 %S A302812 32,2048,36456,773520,15904814,327603711,6769884156,139698154211, %T A302812 2883341313830,59516238963785,1228442020230904,25355878798281362, %U A302812 523363128022737558,10802567596406245283,222972375306077513591 %N A302812 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. %C A302812 Row 6 of A302808. %H A302812 R. H. Hardin, <a href="/A302812/b302812.txt">Table of n, a(n) for n = 1..210</a> %e A302812 Some solutions for n=5 %e A302812 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0 %e A302812 ..0..1..1..0..1. .0..0..1..1..0. .0..0..1..1..0. .0..1..1..0..1 %e A302812 ..1..0..0..0..1. .1..0..1..1..0. .0..1..0..1..0. .0..0..1..0..0 %e A302812 ..0..0..1..0..1. .0..0..0..1..0. .1..0..1..1..0. .1..1..0..1..1 %e A302812 ..1..0..1..0..1. .1..1..0..1..1. .0..1..1..1..0. .1..0..0..1..0 %e A302812 ..1..0..0..1..1. .1..0..1..0..0. .1..0..1..0..0. .1..0..1..0..0 %Y A302812 Cf. A302808. %K A302812 nonn %O A302812 1,1 %A A302812 _R. H. Hardin_, Apr 13 2018