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%I #4 Dec 19 2013 18:56:19
%S 32,152,488,1640,4904,16424,53288,189992,673832,2532392,9515048,
%T 36874280,142925864,562745384,2215886888
%N Number of (n+1)X(n+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 9
%C Diagonal of A234140
%e Some solutions for n=5
%e ..3..3..3..3..3..3....0..0..3..3..0..0....0..3..0..3..0..3....1..3..1..3..1..3
%e ..3..0..3..0..3..0....3..0..0..3..3..0....3..3..3..3..3..3....0..1..0..1..0..1
%e ..3..3..3..3..3..3....0..0..3..3..0..0....3..0..3..0..3..0....1..3..1..3..1..3
%e ..0..3..0..3..0..3....3..0..0..3..3..0....1..1..1..1..1..1....0..1..0..1..0..1
%e ..0..0..0..0..0..0....0..0..3..3..0..0....3..0..3..0..3..0....3..1..3..1..3..1
%e ..3..0..3..0..3..0....3..0..0..3..3..0....3..3..3..3..3..3....0..1..0..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 19 2013