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 A302745 #6 May 04 2021 14:43:40 %S A302745 32,2048,86916,3798398,168833401,7530280825,336126343424, %T A302745 15010834679441,670378626187959,29940446700420704,1337202711481279800, %U A302745 59722547584253923663,2667347131443330301159,119129941729951306756928 %N A302745 Number of 6 X n 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. %C A302745 Row 6 of A302741. %H A302745 R. H. Hardin, <a href="/A302745/b302745.txt">Table of n, a(n) for n = 1..210</a> %e A302745 Some solutions for n=5 %e A302745 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0 %e A302745 ..0..0..0..0..0. .0..0..0..1..0. .0..0..0..0..1. .0..0..0..1..0 %e A302745 ..1..1..1..1..1. .1..1..1..0..0. .1..1..1..1..0. .1..0..1..1..0 %e A302745 ..0..0..1..1..0. .1..0..1..0..0. .1..0..1..1..1. .1..1..0..1..0 %e A302745 ..1..0..1..1..0. .1..0..0..1..0. .1..0..0..0..0. .1..1..0..1..0 %e A302745 ..1..0..0..0..0. .1..0..1..1..0. .1..1..1..0..0. .1..1..1..0..0 %Y A302745 Cf. A302741. %K A302745 nonn %O A302745 1,1 %A A302745 _R. H. Hardin_, Apr 12 2018