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%I #7 Dec 18 2015 18:18:02
%S 2,16,102,961,21147,811801,44918280,4186478209,714320063886,
%T 207770920176121,99259943862610227,80457895275392565121,
%U 112399424925446158169479,266845510437068945897046016
%N Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 0 1 vertically
%C Diagonal of A208039
%H R. H. Hardin, <a href="/A208033/b208033.txt">Table of n, a(n) for n = 1..20</a>
%e Some solutions for n=4
%e ..1..1..1..1....1..0..0..1....1..1..1..1....1..0..0..1....1..0..0..1
%e ..0..0..1..1....1..0..1..1....1..1..1..1....0..0..1..1....0..1..1..0
%e ..0..0..1..1....0..1..1..1....1..1..1..1....0..1..1..1....0..1..1..0
%e ..1..1..1..0....0..0..1..1....0..1..1..1....1..0..0..1....1..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 22 2012
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