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%I #5 Mar 31 2012 12:37:12
%S 102,1769,50529,2324028,175401820,21966491761,4505251075150,
%T 1530992805584457
%N Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly two ways, and new values 0..1 introduced in row major order
%C Diagonal of A206659
%e Some solutions for n=4
%e ..0..0..0..0..0..1....0..1..1..0..0..1....0..0..0..0..0..1....0..0..0..1..0..0
%e ..0..0..1..1..0..1....1..1..1..0..0..0....1..0..1..0..1..1....0..1..1..1..1..1
%e ..1..0..1..1..0..0....0..0..1..0..1..1....1..1..1..1..1..1....0..1..0..1..1..0
%e ..0..0..1..0..0..0....0..0..0..0..0..1....0..0..0..0..0..0....0..1..0..0..0..0
%e ..0..0..0..0..0..1....0..1..1..1..1..1....1..1..0..1..0..1....0..1..1..1..1..1
%e ..0..1..1..1..1..1....1..1..1..0..0..0....1..1..1..0..0..1....0..1..1..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 11 2012
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