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%I #6 Dec 18 2015 18:17:38
%S 2,16,512,35656,6442436,2719427244,2662054379066,6207537762978575
%N Number of n X n binary arrays without the pattern 0 0 1 1 diagonally, vertically, antidiagonally or horizontally
%C Diagonal of A189905
%e Some solutions for 4X4
%e ..1..0..1..1....1..1..0..1....1..0..0..1....1..0..0..1....0..0..0..0
%e ..1..0..0..0....1..0..1..0....1..1..1..1....1..1..1..1....0..1..1..0
%e ..1..0..0..0....1..0..0..0....0..0..1..0....1..1..0..0....0..0..1..0
%e ..1..1..1..1....1..0..1..1....1..0..1..1....0..1..0..0....0..0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ May 01 2011