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%I #7 Dec 18 2015 18:18:02
%S 2,16,102,1369,18172,362404,7513176,208947025,6018764552,220642515076,
%T 8323556149400,385679126851225,18298351908731960,1039016878950507076,
%U 60196918693633189580,4091835726607570472281,283040172741877232421150
%N Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically
%C Diagonal of A207949
%H R. H. Hardin, <a href="/A207945/b207945.txt">Table of n, a(n) for n = 1..50</a>
%e Some solutions for n=4
%e ..1..1..0..1....0..1..0..1....1..1..0..1....0..0..0..0....0..0..0..0
%e ..0..0..0..0....1..1..0..1....1..1..0..1....1..0..1..0....0..0..0..0
%e ..0..0..0..0....1..1..0..1....0..1..0..0....1..0..1..0....1..1..0..0
%e ..1..0..1..0....1..0..0..0....0..0..0..0....0..1..0..0....1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 21 2012
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