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%I #7 Dec 18 2015 18:18:01
%S 2,16,60,432,3094,25776,263550,3832616,69396520,1475600124,
%T 38962584092,1441585611138,67002761499928,3878723937334928,
%U 264400592646069420,24784751879627310504,3083505379073129163384,470186218198870776234068
%N Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically
%C Diagonal of A207589
%H R. H. Hardin, <a href="/A207583/b207583.txt">Table of n, a(n) for n = 1..25</a>
%e Some solutions for n=4
%e ..0..1..1..0....1..1..0..0....0..1..1..0....1..1..1..1....1..0..1..0
%e ..1..0..1..1....1..0..1..0....1..0..1..0....1..0..1..1....1..1..0..1
%e ..0..1..0..0....0..1..0..0....1..1..0..0....0..1..0..0....0..1..1..0
%e ..1..0..1..0....1..1..1..0....0..1..1..0....0..1..1..0....1..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 19 2012
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