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%I #4 Dec 17 2013 07:28:25
%S 112,1960,65280,5859504,1057449360,537828679688,530020280813856,
%T 1549770491706017792,8373471727881913239760
%N Number of (n+1)X(n+1) 0..6 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 30, and no two adjacent values equal
%C Diagonal of A233892
%e Some solutions for n=3
%e ..5..3..5..6....1..3..1..0....5..3..5..3....2..1..2..1....5..4..1..4
%e ..4..0..1..3....5..2..5..2....1..0..4..0....6..4..6..3....2..6..2..6
%e ..1..2..5..2....4..6..4..6....5..3..5..3....2..5..2..1....1..4..1..4
%e ..4..6..4..0....1..2..1..5....1..0..4..0....6..4..6..3....5..6..5..3
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 17 2013