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 A284332 #6 Apr 05 2020 22:53:29 %S A284332 19,419,18114,966889,53435287,3063494246,179138039472,10629901713799, %T A284332 637390912071364,38521588005900251,2342438993189208497, %U A284332 143142503770615128210,8782493512066047546985,540663386186525386713156 %N A284332 Number of n X 6 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. %C A284332 Column 6 of A284334. %H A284332 R. H. Hardin, <a href="/A284332/b284332.txt">Table of n, a(n) for n = 1..47</a> %e A284332 Some solutions for n=3 %e A284332 ..0..1..1..1..1..1. .0..1..1..0..1..0. .0..0..0..1..1..0. .0..1..0..0..1..0 %e A284332 ..0..1..0..0..0..1. .1..0..1..0..1..1. .1..1..0..1..0..0. .1..0..1..0..1..1 %e A284332 ..0..0..0..0..0..1. .1..1..0..0..0..0. .1..0..0..1..1..1. .1..0..1..0..1..1 %Y A284332 Cf. A284334. %K A284332 nonn %O A284332 1,1 %A A284332 _R. H. Hardin_, Mar 25 2017