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 A302963 #4 Apr 16 2018 11:54:02 %S A302963 32,1405,19868,314989,5122000,83644490,1365216668,22301032112, %T A302963 364489574945,5958753041614,97427941260642,1593122104163405, %U A302963 26051813455660353,426031529087524529,6967143696100020839 %N A302963 Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. %C A302963 Column 6 of A302965. %H A302963 R. H. Hardin, <a href="/A302963/b302963.txt">Table of n, a(n) for n = 1..210</a> %e A302963 Some solutions for n=5 %e A302963 ..0..1..0..0..1..0. .0..0..1..0..0..1. .0..1..0..0..1..0. .0..0..1..1..1..1 %e A302963 ..0..0..0..1..1..0. .0..0..1..0..1..1. .0..0..0..1..1..0. .0..0..1..0..0..0 %e A302963 ..0..1..0..0..1..1. .0..0..1..0..0..0. .0..1..0..1..1..0. .0..0..1..1..0..1 %e A302963 ..0..1..1..0..1..0. .0..0..1..1..0..1. .0..1..0..1..1..0. .0..1..1..1..0..0 %e A302963 ..1..0..0..0..0..1. .1..1..0..1..0..1. .1..1..0..0..0..0. .0..0..0..0..0..1 %Y A302963 Cf. A302965. %K A302963 nonn %O A302963 1,1 %A A302963 _R. H. Hardin_, Apr 16 2018