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%I #4 Dec 12 2014 14:03:17
%S 756,1602,1434,3814,23074,159514,630978,9398338,147443266,727410882,
%T 26971790466,1008740372610,5759534502402,540841653481602,
%U 49879708292944002,312661278003193602,75268795781720633602
%N Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and column sum 1 3 6 or 8 and every diagonal and antidiagonal sum not 1 3 6 or 8
%C Diagonal of A252015
%e Some solutions for n=4
%e ..2..3..1..2..3..1....1..3..2..1..0..2....3..1..2..0..1..0....2..0..1..2..3..1
%e ..3..2..1..0..2..1....0..1..2..3..1..2....2..1..3..2..1..0....2..1..3..2..1..0
%e ..1..1..1..1..1..1....2..2..2..2..2..2....1..1..1..1..1..1....2..2..2..2..2..2
%e ..2..3..1..2..0..1....1..0..2..1..3..2....0..1..2..3..1..2....2..0..1..2..0..1
%e ..0..2..1..3..2..1....3..1..2..0..1..2....0..1..0..2..1..3....2..1..3..2..1..0
%e ..1..1..1..1..1..1....2..2..2..2..2..2....1..1..1..1..1..1....2..2..2..2..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 12 2014
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