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 A240788 #8 Oct 29 2014 20:34:25 %S A240788 64,1172,10442,108509,1120383,11677893,121621207,1269199948, %T A240788 13241129190,138189786444,1442192128751,15051954215634, %U A240788 157096056362548,1639615077341580,17112720660101420,178606392701182664 %N A240788 Number of 7 X n 0..1 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..1 introduced in row major order. %C A240788 Row 7 of A240783. %H A240788 R. H. Hardin, <a href="/A240788/b240788.txt">Table of n, a(n) for n = 1..210</a> %e A240788 Some solutions for n=4: %e A240788 ..0..1..0..1....0..1..0..1....0..0..1..0....0..1..0..1....0..1..0..0 %e A240788 ..0..1..0..1....0..1..1..0....0..0..1..1....1..0..0..0....1..1..0..0 %e A240788 ..1..0..0..1....0..1..1..1....0..0..1..1....1..0..0..0....1..0..1..0 %e A240788 ..0..0..1..1....1..0..1..1....1..0..0..1....0..1..0..1....1..0..1..0 %e A240788 ..0..0..1..1....1..0..1..0....0..0..0..0....1..0..0..0....0..0..1..0 %e A240788 ..0..0..1..1....0..1..1..0....0..0..0..0....1..0..0..0....0..1..0..0 %e A240788 ..0..0..1..0....0..1..0..1....1..0..0..1....1..0..0..1....0..1..0..1 %Y A240788 Cf. A240783. %K A240788 nonn %O A240788 1,1 %A A240788 _R. H. Hardin_, Apr 12 2014