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 A299738 #6 Dec 27 2023 12:21:00 %S A299738 32,2048,81105,3742524,170243005,7790212998,356575568843, %T A299738 16322570202905,747207636738251,34205652494216087,1565866504708915868, %U A299738 71682283388175729699,3281474035612238093148,150219433611860316291070 %N A299738 Number of n X 6 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero. %C A299738 Column 6 of A299740. %H A299738 R. H. Hardin, <a href="/A299738/b299738.txt">Table of n, a(n) for n = 1..210</a> %e A299738 Some solutions for n=5 %e A299738 ..0..0..0..1..0..1. .0..0..1..0..0..0. .0..0..1..1..1..1. .0..0..0..1..0..1 %e A299738 ..0..0..0..1..1..0. .0..0..1..1..1..1. .0..0..1..0..0..0. .0..0..0..1..1..0 %e A299738 ..0..0..0..1..1..0. .0..0..1..0..0..0. .0..0..1..0..0..0. .0..0..0..1..0..0 %e A299738 ..0..0..0..1..0..1. .0..0..1..0..0..0. .0..0..1..0..0..0. .0..0..0..1..0..0 %e A299738 ..0..0..0..1..0..1. .0..1..1..0..0..0. .0..1..0..1..1..1. .0..0..0..1..1..0 %Y A299738 Cf. A299740. %K A299738 nonn %O A299738 1,1 %A A299738 _R. H. Hardin_, Feb 18 2018