A206884 - OEIS

%I #6 Dec 18 2015 18:18:00

%S 2,16,240,7878,607043,111550389,47015346159,45805591252624,

%T 104403459975101887,559553426119779395361,7050914050087672286282505,

%U 208939006267581096192535752843,14569335412372326231761169576376298

%N Number of n X n 0..1 arrays avoiding 0 1 0 horizontally and 1 0 0 vertically

%C Diagonal of A206889

%e Some solutions for n=4

%e ..0..0..1..1....1..0..1..1....0..0..1..1....0..1..1..1....1..0..0..0

%e ..1..0..0..0....1..1..1..1....0..0..1..1....0..0..1..1....0..1..1..0

%e ..0..1..1..1....0..1..1..1....1..1..0..0....1..1..1..0....1..0..1..1

%e ..1..0..1..1....1..1..0..0....1..1..1..1....0..1..1..1....1..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 13 2012