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%I #5 Mar 31 2012 12:37:00
%S 1379,112362,5257444,316144367,18962117027,1065898305547,
%T 58142833651117,3205754177083715,172892123818421614,
%U 9330670178760104074
%N Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order
%C Diagonal of A204056
%e Some solutions for n=3
%e ..0..0..1..0..0....0..0..1..1..0....0..1..0..2..3....0..0..0..0..0
%e ..0..0..0..0..0....0..0..0..0..0....0..0..1..3..2....0..0..0..0..0
%e ..0..0..0..0..0....0..0..0..0..0....0..0..3..1..0....1..0..0..0..1
%e ..2..0..0..0..3....0..0..0..0..1....0..3..0..3..1....1..0..0..0..0
%e ..3..2..0..0..3....1..0..0..0..1....3..1..3..0..3....0..2..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 09 2012
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