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%I #5 Mar 31 2012 12:37:03
%S 283877,2660367,28334280,309173896,3572132537,40833480416,
%T 463699765823,5337233301716,61245366854871,699327395092621,
%U 8041377023804442,92258561040986700,1056397619905286761,12133997044683483280
%N Number of (n+2)X9 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..1 introduced in row major order
%C Column 7 of A204867
%H R. H. Hardin, <a href="/A204866/b204866.txt">Table of n, a(n) for n = 1..181</a>
%e Some solutions for n=3
%e ..0..1..1..1..1..0..1..0..0....0..0..0..0..0..0..0..1..0
%e ..0..1..1..0..0..1..1..1..0....0..1..1..0..1..0..1..0..0
%e ..0..0..0..0..0..0..1..0..1....1..1..1..1..1..1..1..1..0
%e ..1..1..1..1..0..1..0..0..0....0..0..0..0..0..0..0..0..0
%e ..1..0..1..1..1..1..1..0..1....1..1..0..1..1..0..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 20 2012
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