%I #9 Nov 16 2014 03:34:24
%S 9,81,4314,130886,3058275,86512536,2482513429,67503863246,
%T 1856382696349,51633511183958,1427030810399597,39387690638977285,
%U 1089488148528198780,30128638070023208442,832728521178275562686,23020941223065491588705
%N Number of n X 7 binary arrays with every 1 immediately preceded by 0 0 to the left or above.
%C Column 7 of A203108.
%H R. H. Hardin, <a href="/A203107/b203107.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..0..0..1..0..0..0....0..0..0..1..0..0..0....0..0..0..0..0..0..1
%e ..0..0..0..1..0..0..1....0..0..0..1..0..0..1....0..0..1..0..0..0..0
%e ..0..0..1..0..1..1..0....1..0..1..0..0..0..1....1..1..0..1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 29 2011