%I #7 Dec 18 2015 18:17:37
%S 2,16,280,8900,552752,68635317,17747766886,9421503162646,
%T 10606582683139102,24593238398265693575,121227430181311808878846,
%U 1234571538047080619811567488,26705899629138438568650919545084
%N Number of n X n binary arrays without the pattern 0 0 1 diagonally, antidiagonally or horizontally
%C Diagonal of A189264
%H R. H. Hardin, <a href="/A189257/b189257.txt">Table of n, a(n) for n = 1..15</a>
%e Some solutions for 3X3
%e ..0..1..1....1..0..1....1..1..0....1..1..0....1..1..0....1..1..1....0..1..1
%e ..1..1..0....1..0..1....1..0..1....0..0..0....0..1..1....0..0..0....0..1..1
%e ..1..1..1....0..1..0....0..1..1....0..0..0....1..0..0....1..1..0....1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 19 2011