%I #7 Dec 18 2015 18:17:36
%S 2,16,247,13306,2109386,924245906,1199747927824,4515869742994831,
%T 49132225919211100127,1553292806575822383425281,
%U 142435222420745509758550159896,37880215295994989398957106920807127
%N Number of n X n binary arrays without the pattern 1 1 1 diagonally, vertically or horizontally
%C Diagonal of A188567
%H R. H. Hardin, <a href="/A188560/b188560.txt">Table of n, a(n) for n = 1..13</a>
%e Some solutions for 3X3
%e ..0..0..0....0..0..1....0..1..1....0..1..1....0..1..0....0..1..1....0..0..1
%e ..1..0..1....0..1..0....0..1..0....1..0..0....0..1..1....0..0..0....1..0..1
%e ..1..0..1....1..0..0....0..0..0....0..1..0....0..0..0....0..0..1....1..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Apr 04 2011