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%I #7 Dec 18 2015 18:18:02
%S 2,16,72,576,7744,138384,3773248,143233024,7961867964,694232238436,
%T 87251969161984,15584659071915024,4290136697951345984,
%U 1785288592992685527184,1059504761310616996153800
%N Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically
%C Diagonal of A207928
%H R. H. Hardin, <a href="/A207923/b207923.txt">Table of n, a(n) for n = 1..19</a>
%e Some solutions for n=5
%e ..0..0..1..1..1....1..0..0..1..1....1..0..1..1..1....0..0..1..1..1
%e ..0..0..1..1..0....1..0..1..1..0....1..0..0..1..1....0..1..1..0..0
%e ..1..1..0..0..1....0..1..1..0..1....0..1..1..0..0....1..0..0..1..1
%e ..0..0..1..1..0....1..0..0..1..1....0..0..1..1..0....0..0..1..1..1
%e ..1..0..1..1..1....1..1..1..0..0....1..1..0..0..1....1..1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 21 2012
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