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 A302379 #4 Apr 06 2018 12:40:46 %S A302379 5,601,19215,688999,24209608,849467774,29810775827,1046322460741, %T A302379 36721875744312,1288827132390554,45233709428352478, %U A302379 1587559744275242497,55718309872991118443,1955535868305591162950,68633103774355479650841 %N A302379 Number of nX6 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. %C A302379 Column 6 of A302381. %H A302379 R. H. Hardin, <a href="/A302379/b302379.txt">Table of n, a(n) for n = 1..210</a> %e A302379 Some solutions for n=5 %e A302379 ..0..1..0..1..1..1. .0..1..0..1..1..1. .0..0..0..0..1..1. .0..0..1..1..1..1 %e A302379 ..0..0..1..1..0..0. .1..0..0..0..0..1. .1..1..0..1..1..1. .1..1..0..1..0..0 %e A302379 ..0..0..1..1..1..1. .0..0..1..0..0..0. .0..0..0..0..0..1. .0..0..0..0..1..0 %e A302379 ..0..0..0..1..0..0. .0..0..0..1..1..0. .0..0..1..1..1..0. .0..0..1..1..0..0 %e A302379 ..0..0..1..0..0..0. .0..0..1..1..0..0. .0..0..1..1..0..1. .0..0..1..1..0..0 %Y A302379 Cf. A302381. %K A302379 nonn %O A302379 1,1 %A A302379 _R. H. Hardin_, Apr 06 2018