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 A285150 #6 Apr 05 2020 23:12:39 %S A285150 12,788,41620,2284666,130177958,7586120602,448765516394, %T A285150 26835088076336,1617833226931330,98162644393835350, %U A285150 5986867868512286798,366688625275190421692,22539277474000422961920,1389618057538273118730236 %N A285150 Number of n X 6 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1. %C A285150 Column 6 of A285152. %H A285150 R. H. Hardin, <a href="/A285150/b285150.txt">Table of n, a(n) for n = 1..144</a> %e A285150 Some solutions for n=3 %e A285150 ..0..0..0..1..0..1. .1..0..1..0..1..0. .0..1..0..0..1..1. .1..0..0..0..0..1 %e A285150 ..1..0..1..0..1..0. .0..0..0..1..1..1. .0..0..0..0..0..1. .0..0..0..0..0..1 %e A285150 ..1..1..0..0..1..0. .0..0..1..0..1..0. .0..1..1..1..1..0. .1..1..1..0..0..1 %Y A285150 Cf. A285152. %K A285150 nonn %O A285150 1,1 %A A285150 _R. H. Hardin_, Apr 12 2017