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 A297594 #4 Jan 01 2018 12:07:30 %S A297594 13,121,1141,10131,103673,975485,9403199,90862063,875241087, %T A297594 8427042917,81250292031,782990517405,7544924295103,72709571496955, %U A297594 700713916141533,6752623088862903,65073651435105965,627109480901081661 %N A297594 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1s. %C A297594 Column 7 of A297595. %H A297594 R. H. Hardin, <a href="/A297594/b297594.txt">Table of n, a(n) for n = 1..210</a> %H A297594 R. H. Hardin, <a href="/A297594/a297594.txt">Empirical recurrence of order 83</a> %F A297594 Empirical recurrence of order 83 (see link above) %e A297594 Some solutions for n=5 %e A297594 ..0..1..1..0..0..1..1. .0..1..1..0..0..0..0. .0..0..0..0..0..0..0 %e A297594 ..0..0..0..0..0..0..0. .0..0..0..0..0..1..1. .0..0..0..0..1..1..0 %e A297594 ..1..1..0..0..0..0..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0 %e A297594 ..0..0..0..0..1..1..1. .0..0..1..1..0..1..0. .0..0..0..0..0..1..1 %e A297594 ..1..1..0..0..1..0..1. .0..0..0..0..0..0..1. .1..1..0..0..0..0..0 %Y A297594 Cf. A297595. %K A297594 nonn %O A297594 1,1 %A A297594 _R. H. Hardin_, Jan 01 2018