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 A299653 #4 Feb 15 2018 14:42:18 %S A299653 64,8192,908360,104711327,12030404350,1383316377321,159047224409362, %T A299653 18286872879292507,2102576561069853097,241748833344365308506, %U A299653 27795656314762148558055,3195872788678032297914781 %N A299653 Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. %C A299653 Column 7 of A299654. %H A299653 R. H. Hardin, <a href="/A299653/b299653.txt">Table of n, a(n) for n = 1..210</a> %e A299653 Some solutions for n=5 %e A299653 ..0..0..0..0..1..1..0. .0..0..0..0..0..0..0. .0..0..0..0..1..1..0 %e A299653 ..0..0..1..0..1..1..1. .0..0..1..0..1..0..1. .0..0..1..0..1..0..1 %e A299653 ..0..0..1..1..0..0..1. .0..0..1..0..1..0..1. .0..0..1..1..1..1..1 %e A299653 ..0..0..0..0..1..1..0. .0..0..0..0..1..0..0. .0..0..0..0..0..0..1 %e A299653 ..0..0..1..0..1..1..0. .0..0..1..1..0..0..0. .0..0..1..0..0..0..1 %Y A299653 Cf. A299654. %K A299653 nonn %O A299653 1,1 %A A299653 _R. H. Hardin_, Feb 15 2018