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 A302072 #4 Mar 31 2018 15:47:27 %S A302072 16,512,5296,67070,807601,9825815,119508742,1452315793,17661727848, %T A302072 214818317017,2613377675631,31794933035645,386831554680657, %U A302072 4706379266471703,57260098009925842,696654234944188198 %N A302072 Number of 5Xn 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. %C A302072 Row 5 of A302069. %H A302072 R. H. Hardin, <a href="/A302072/b302072.txt">Table of n, a(n) for n = 1..210</a> %e A302072 Some solutions for n=5 %e A302072 ..0..0..0..0..1. .0..0..0..0..0. .0..0..0..1..1. .0..0..0..1..0 %e A302072 ..1..1..1..1..1. .1..1..1..0..1. .1..0..1..0..0. .1..1..0..1..1 %e A302072 ..0..0..1..0..1. .0..1..1..0..0. .1..0..1..1..0. .1..0..0..1..1 %e A302072 ..0..1..0..0..0. .0..0..1..1..0. .0..1..0..1..1. .1..1..0..1..0 %e A302072 ..1..1..1..1..0. .1..0..1..1..1. .0..1..1..0..0. .1..0..1..1..0 %Y A302072 Cf. A302069. %K A302072 nonn %O A302072 1,1 %A A302072 _R. H. Hardin_, Mar 31 2018