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 A297651 #4 Jan 02 2018 15:12:20 %S A297651 12,494,6838,131044,2525244,46187510,864944851,16149058068, %T A297651 300870617401,5613564284292,104698838837111,1952650753998364, %U A297651 36420081863348278,679272850629109385,12669181880403565080,236294959020596014510 %N A297651 Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s. %C A297651 Column 5 of A297654. %H A297651 R. H. Hardin, <a href="/A297651/b297651.txt">Table of n, a(n) for n = 1..210</a> %H A297651 R. H. Hardin, <a href="/A297651/a297651.txt">Empirical recurrence of order 60</a> %F A297651 Empirical recurrence of order 60 (see link above) %e A297651 Some solutions for n=4 %e A297651 ..0..1..0..0..0. .0..0..1..1..0. .0..1..1..0..0. .1..0..1..0..0 %e A297651 ..1..0..1..0..0. .1..1..0..1..0. .0..0..0..1..0. .1..1..0..1..0 %e A297651 ..1..0..0..1..1. .1..1..0..0..0. .0..1..1..0..1. .0..1..0..1..0 %e A297651 ..0..1..0..1..1. .0..0..1..0..0. .0..0..0..1..1. .0..0..1..1..0 %Y A297651 Cf. A297654. %K A297651 nonn %O A297651 1,1 %A A297651 _R. H. Hardin_, Jan 02 2018