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%I #5 Mar 31 2012 12:37:15
%S 81,6561,248525,9196215,368714705,14960137403,600838995529,
%T 24069606968809,965286091829121,38732271412245771,1553999307045885583,
%U 62342694966576014475,2501032004180975268881,100336844251838872157471
%N Number of nX7 0..1 arrays avoiding 0 0 0 horizontally and 0 1 0 vertically
%C Column 7 of A207182
%H R. H. Hardin, <a href="/A207181/b207181.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..0..0..1..1..1....1..0..1..1..0..1..0....1..0..1..1..1..0..0
%e ..0..0..1..1..1..0..1....1..0..1..0..1..1..0....0..1..0..1..1..0..1
%e ..1..1..1..1..0..1..1....0..1..0..0..1..0..1....0..1..1..1..0..1..1
%e ..1..1..1..0..0..1..1....0..1..0..1..0..1..1....0..0..1..1..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 15 2012