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%I #5 Mar 31 2012 12:36:44
%S 6,54,585,9111,164704,3030673,53350918,867792264,12855063828,
%T 173064550218,2125820442965,23973988256341,249906703874274,
%U 2423485396921085,21992456168363649,187733722448990317
%N Number of nX7 0..1 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor
%C Column 7 of A201353
%H R. H. Hardin, <a href="/A201352/b201352.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) is a polynomial of degree 127 for n>46
%e Some solutions for n=4
%e ..0..0..0..1..1..1..1....0..0..0..1..1..1..1....0..0..0..0..1..1..1
%e ..1..1..1..0..0..0..0....0..1..1..0..1..1..1....0..1..1..1..0..0..0
%e ..1..1..1..0..0..0..1....1..0..0..0..1..1..1....1..1..1..1..0..0..0
%e ..1..1..1..0..0..0..1....1..1..1..0..0..0..1....1..1..1..1..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Nov 30 2011
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