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%I #5 Mar 31 2012 12:37:03
%S 5352,31034,192080,1193734,7620885,48713811,309173896,1968871406,
%T 12569403973,79966055788,509576759394,3248460700788,20690736697342,
%U 131840896177319,840189826426419,5352962842116701,34108714839068907
%N Number of (n+2)X6 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 4 of A204867
%H R. H. Hardin, <a href="/A204863/b204863.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..0..0..0..1..0....0..1..1..1..0..1....0..0..1..1..1..1....0..1..1..1..1..1
%e ..1..0..0..1..0..0....0..1..1..0..1..1....1..1..1..1..0..0....1..0..1..0..1..1
%e ..1..1..1..1..1..0....0..0..0..0..0..1....0..0..0..0..0..0....0..0..0..0..0..0
%e ..0..0..1..1..0..0....0..1..1..0..0..1....1..0..0..1..1..0....1..1..1..1..1..1
%e ..0..0..0..0..1..0....1..1..1..1..1..1....0..1..1..1..1..0....0..0..1..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 20 2012