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 A302262 #4 Apr 04 2018 12:48:38 %S A302262 16,384,3818,40296,429854,4608075,49315068,527911860,5651844495, %T A302262 60512022539,647867830591,6936433466124,74265480772198, %U A302262 795130321189515,8513145805873382,91146924218701992,975874666111418347 %N A302262 Number of nX5 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. %C A302262 Column 5 of A302265. %H A302262 R. H. Hardin, <a href="/A302262/b302262.txt">Table of n, a(n) for n = 1..210</a> %H A302262 R. H. Hardin, <a href="/A302262/a302262.txt">Empirical recurrence of order 70</a> %F A302262 Empirical recurrence of order 70 (see link above) %e A302262 Some solutions for n=5 %e A302262 ..0..0..0..1..0. .0..0..0..1..0. .0..0..1..0..0. .0..0..0..0..1 %e A302262 ..0..1..1..0..1. .1..1..1..1..1. .0..0..1..1..0. .1..1..0..0..0 %e A302262 ..0..1..0..0..1. .0..0..0..0..0. .1..0..1..0..0. .0..1..1..1..1 %e A302262 ..1..1..1..1..0. .0..1..1..1..1. .1..0..1..0..1. .1..0..0..0..1 %e A302262 ..0..0..0..0..1. .0..0..1..1..0. .0..0..1..0..0. .0..1..1..0..0 %Y A302262 Cf. A302265. %K A302262 nonn %O A302262 1,1 %A A302262 _R. H. Hardin_, Apr 04 2018