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 A298967 #6 Jan 01 2024 11:51:48 %S A298967 16,512,11283,280468,6892031,170137416,4200575252,103715870545, %T A298967 2560893666570,63232497527110,1561310446894473,38551239404752239, %U A298967 951891497499265483,23503717252026765272,580344217887313443874 %N A298967 Number of n X 5 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 king-move adjacent elements, with upper left element zero. %C A298967 Column 5 of A298970. %H A298967 R. H. Hardin, <a href="/A298967/b298967.txt">Table of n, a(n) for n = 1..210</a> %H A298967 R. H. Hardin, <a href="/A298967/a298967.txt">Empirical recurrence of order 75</a> %F A298967 Empirical recurrence of order 75 (see link above). %e A298967 Some solutions for n=5 %e A298967 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0 %e A298967 ..0..1..0..0..1. .0..0..1..0..1. .0..1..0..1..1. .0..0..1..1..0 %e A298967 ..0..1..1..0..1. .1..1..0..1..0. .1..0..1..1..1. .0..1..1..0..0 %e A298967 ..0..1..0..1..1. .0..0..1..0..0. .1..1..0..1..0. .1..0..1..1..1 %e A298967 ..1..0..0..0..1. .1..0..0..1..1. .0..1..0..1..1. .0..0..1..1..0 %Y A298967 Cf. A298970. %K A298967 nonn %O A298967 1,1 %A A298967 _R. H. Hardin_, Jan 30 2018