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%I #4 Dec 14 2014 13:58:11
%S 1921,2543,5440,5860,18757,24112,108750,114221,618938,567920,3884323,
%T 2961964,24519726,15344171,161408146,82783132
%N Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 7
%C Diagonal of A252148
%e Some solutions for n=4
%e ..3..0..0..3..2..0....2..0..3..0..3..3....1..2..3..1..2..0....3..0..3..0..2..3
%e ..2..1..3..2..1..3....1..3..1..3..1..3....3..3..0..0..0..0....1..3..1..3..1..3
%e ..1..2..0..1..2..0....3..0..3..0..3..0....2..1..0..2..1..0....3..0..3..0..3..0
%e ..3..0..0..3..0..0....1..3..1..3..1..3....1..2..0..1..2..3....1..3..1..3..1..2
%e ..2..1..3..2..1..3....2..0..3..0..3..0....0..0..0..0..3..0....2..0..3..0..3..3
%e ..1..2..0..1..2..0....0..2..3..2..1..2....2..3..0..2..1..0....3..3..1..3..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 14 2014
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