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 A284162 #6 Apr 05 2020 22:34:12 %S A284162 10,134,2872,80072,2179255,63520018,1852406216,55270158210, %T A284162 1656400271264,50135651563711,1524221988811958,46590358960961268, %U A284162 1429160917194970783,43992270165786177866,1357848185549167921892,42014950110987162854896 %N A284162 Number of n X 5 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. %C A284162 Column 5 of A284165. %H A284162 R. H. Hardin, <a href="/A284162/b284162.txt">Table of n, a(n) for n = 1..77</a> %e A284162 Some solutions for n=4 %e A284162 ..0..1..0..1..1. .0..0..1..0..1. .0..0..0..0..1. .0..0..1..0..0 %e A284162 ..0..0..1..1..0. .0..1..1..1..1. .0..0..1..0..1. .1..0..1..1..1 %e A284162 ..1..0..1..0..0. .0..0..0..1..1. .0..0..1..1..0. .0..1..1..0..0 %e A284162 ..1..0..1..0..1. .1..0..0..1..1. .0..1..1..0..1. .1..1..0..0..0 %Y A284162 Cf. A284165. %K A284162 nonn %O A284162 1,1 %A A284162 _R. H. Hardin_, Mar 21 2017