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 A303328 #4 Apr 21 2018 13:15:53 %S A303328 32,2,32,3,62,56,758,822,11950,15100,206189,274746,3594570,5041350, %T A303328 62876030,92540426,1101675155,1699317164,19329361600,31206291570, %U A303328 339589941166,573084618732,5973973630963,10524401883764,105231506356350 %N A303328 Number of 6Xn 0..1 arrays with every element equal to 0, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. %C A303328 Row 6 of A303325. %H A303328 R. H. Hardin, <a href="/A303328/b303328.txt">Table of n, a(n) for n = 1..210</a> %e A303328 Some solutions for n=5 %e A303328 ..0..1..1..1..0. .0..0..1..0..0. .0..0..0..0..0. .0..0..1..0..0 %e A303328 ..1..1..0..1..1. .0..0..1..0..0. .1..0..1..0..1. .1..0..0..0..1 %e A303328 ..0..0..0..0..0. .1..1..1..1..1. .0..0..0..0..0. .0..0..0..0..0 %e A303328 ..0..0..0..0..0. .1..1..1..1..1. .1..1..1..1..1. .0..1..0..1..0 %e A303328 ..1..1..0..1..1. .0..0..1..0..0. .0..1..0..1..0. .0..0..0..0..0 %e A303328 ..1..1..0..1..1. .0..0..1..0..0. .1..1..1..1..1. .0..0..0..0..0 %Y A303328 Cf. A303325. %K A303328 nonn %O A303328 1,1 %A A303328 _R. H. Hardin_, Apr 21 2018