The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #6 Dec 18 2015 18:18:04
%S 2,16,98,1309,30160,1415508,126827983,22125222702,7392844742356,
%T 4723174261254577,5746602867110840996,13284653021118899451246,
%U 58277226038377671962460367,484690813727478247761183804458
%N Number of n X n 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically
%C Diagonal of A208698
%e Some solutions for n=4
%e ..1..0..1..1....1..0..1..0....0..1..1..1....0..0..0..0....1..1..0..1
%e ..0..1..1..1....1..1..1..1....1..0..1..0....0..1..1..0....1..0..1..0
%e ..0..1..1..1....1..1..1..1....1..0..1..0....0..1..1..0....1..0..1..0
%e ..0..1..1..0....1..0..1..1....0..0..0..0....1..0..1..1....0..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 01 2012