%I #4 Dec 15 2014 07:27:15
%S 945,1886,3705,9233,24956,57629,147696,488200,1339760,4201296,
%T 53487944,243810896,1121545296,82644345928,442293577808
%N Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 1 3 6 or 7
%C Diagonal of A252192
%e Some solutions for n=4
%e ..2..0..1..2..3..1....2..1..3..2..1..3....0..0..0..0..3..0....0..0..0..3..0..3
%e ..1..3..2..1..3..3....1..3..3..1..2..0....3..1..2..0..1..2....2..1..3..2..1..0
%e ..0..0..0..0..0..3....3..3..0..0..0..0....3..2..1..3..2..1....1..2..3..1..2..0
%e ..2..3..1..2..0..1....2..1..0..2..1..3....0..3..0..0..0..3....3..0..0..0..0..0
%e ..1..3..2..1..3..2....1..2..0..1..2..3....0..1..2..3..1..2....2..1..3..2..1..3
%e ..0..0..3..0..0..3....3..3..0..3..3..0....3..2..1..0..2..1....1..2..0..1..2..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 15 2014
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