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 A217636 #6 Jul 22 2025 23:41:38 %S A217636 26,614,14520,315378,7272142,163361868,3709621842,83923710538, %T A217636 1901055652804,43046530809006,974841850791586,22075731493018104, %U A217636 499920666839751010,11321017480253759030,256371943510592766924 %N A217636 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..1 nX7 array. %C A217636 Column 7 of A217637 %H A217636 R. H. Hardin, <a href="/A217636/b217636.txt">Table of n, a(n) for n = 1..34</a> %e A217636 Some solutions for n=3 %e A217636 ..0..0..0..1..0..0..0....0..1..1..1..1..1..1....0..0..0..0..0..0..0 %e A217636 ..0..0..1..1..0..0..0....0..0..0..1..0..1..1....1..0..0..0..0..0..1 %e A217636 ..0..0..0..0..0..0..1....0..0..0..0..0..0..1....0..0..0..0..0..0..0 %K A217636 nonn %O A217636 1,1 %A A217636 _R. H. Hardin_ Oct 09 2012