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%I #5 Mar 31 2012 12:37:00
%S 689,28982,844136,26497814,839477288,25723818038,770374556792,
%T 23033174207414,678601817988824
%N Number of (n+2)X(n+2) 0..2 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order
%C Diagonal of A204153
%e Some solutions for n=4
%e ..0..0..1..0..1..0....0..1..1..1..2..1....0..1..2..1..2..0....0..1..0..0..2..1
%e ..2..0..0..1..0..2....1..1..1..2..1..1....1..0..1..2..0..2....2..0..0..0..0..2
%e ..1..0..0..0..1..2....1..1..2..1..1..2....1..1..0..0..2..0....2..0..0..0..0..0
%e ..0..0..0..0..0..1....0..2..1..1..1..2....1..1..0..0..0..2....0..0..0..0..0..0
%e ..0..0..0..0..0..0....2..0..1..1..1..1....2..0..1..0..0..1....0..0..0..0..0..1
%e ..2..2..0..0..1..0....0..1..0..1..1..1....0..1..1..1..0..0....0..2..1..0..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 11 2012
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