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 A297587 #4 Jan 01 2018 11:16:32 %S A297587 1,85,1243,4428,31171,395011,3355439,21941552,181405030,1636558715, %T A297587 13131349357,101903293904,842245479173,7011923308367,56621895312007, %U A297587 457025771024489,3744870543676752,30634057145033024,248841614953642550 %N A297587 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 4 neighboring 1s. %C A297587 Row 6 of A297582. %H A297587 R. H. Hardin, <a href="/A297587/b297587.txt">Table of n, a(n) for n = 1..210</a> %H A297587 R. H. Hardin, <a href="/A297587/a297587.txt">Empirical recurrence of order 94</a> %F A297587 Empirical recurrence of order 94 (see link above) %e A297587 Some solutions for n=5 %e A297587 ..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0 %e A297587 ..0..0..0..0..0. .0..0..0..1..0. .0..0..0..0..0. .0..0..1..1..0 %e A297587 ..0..0..0..1..0. .0..0..0..0..1. .1..1..0..0..0. .0..0..0..0..0 %e A297587 ..1..0..0..0..1. .1..0..1..0..0. .0..0..0..0..0. .0..0..0..1..1 %e A297587 ..0..1..1..0..0. .1..1..0..0..0. .0..1..0..1..1. .1..0..0..0..0 %e A297587 ..1..0..1..0..0. .1..0..0..1..1. .1..0..0..0..0. .0..1..0..0..0 %Y A297587 Cf. A297582. %K A297587 nonn %O A297587 1,2 %A A297587 _R. H. Hardin_, Jan 01 2018