%I #5 Mar 31 2012 12:35:54
%S 3653,83799,1604473,34228999,701022093,14750484447,307446383061,
%T 6453534773135,135163113130301,2836308059464159,59486265398855701,
%U 1248295058919868871,26191521416003319909,549635175272088975695
%N Half the number of (n+1)X9 binary arrays with no 2X2 subblock having exactly 2 ones
%C Column 8 of A183782
%H R. H. Hardin, <a href="/A183781/b183781.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions with a(1,1)=0 for 3X9
%e ..0..1..1..1..1..1..1..1..1....0..0..1..1..1..1..1..1..0
%e ..1..1..1..1..1..1..0..1..0....0..0..0..1..1..1..1..1..1
%e ..1..1..0..1..1..1..1..1..1....1..0..0..0..1..1..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 07 2011