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Number of (n+1)X(n+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal
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%I #4 Dec 18 2013 06:53:22

%S 80,2820,238800,52918992,30386593584,46042738610392,

%T 183601380666535560,1941274548685367025892

%N Number of (n+1)X(n+1) 0..5 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal

%C Diagonal of A233958

%e Some solutions for n=2

%e ..5..3..2....5..3..1....0..1..0....4..2..3....1..3..5....5..3..1....4..5..4

%e ..4..5..3....3..4..2....1..3..1....2..3..5....3..2..4....4..2..3....2..3..5

%e ..2..3..2....1..2..3....0..2..0....0..2..3....5..3..2....5..4..5....0..2..4

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 18 2013