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 A217634 #6 Jul 22 2025 23:41:24 %S A217634 10,98,968,8706,83074,773348,7272142,68138974,639248556,5994907930, %T A217634 56226693158,527340415924,4945869727454,46386705274750, %U A217634 435055533728012,4080334184200118,38268976277521222,358920216579635816 %N A217634 Number of nX5 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..1 nX5 array. %C A217634 Column 5 of A217637 %H A217634 R. H. Hardin, <a href="/A217634/b217634.txt">Table of n, a(n) for n = 1..40</a> %e A217634 Some solutions for n=3 %e A217634 ..0..0..1..1..0....0..0..1..0..0....0..0..0..0..0....0..0..0..0..0 %e A217634 ..0..0..1..0..0....0..1..0..1..0....0..0..0..1..0....0..1..1..0..0 %e A217634 ..0..1..1..0..0....1..0..0..0..0....1..1..1..0..0....0..0..0..0..0 %K A217634 nonn %O A217634 1,1 %A A217634 _R. H. Hardin_ Oct 09 2012