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%I #5 Mar 31 2012 12:35:57
%S 19172,2668339,327471410,42079740149,5360172454105,685056630399242,
%T 87501032165288029,11179084602659460821,1428175394298048190822,
%U 182458818788944483329317,23310253102420729752412513
%N Half the number of (n+1)X9 binary arrays with no 2X2 subblock containing exactly one 1
%C Column 8 of A184197
%H R. H. Hardin, <a href="/A184196/b184196.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 3X9
%e ..0..0..1..1..0..1..0..0..1....0..0..1..1..1..1..1..1..0
%e ..0..0..1..1..0..1..0..0..1....0..0..1..0..1..1..1..1..1
%e ..1..1..0..1..0..1..0..0..1....1..1..1..1..0..1..0..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 10 2011
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