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.

A233884

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.

Terms

    a(0) =112a(1) =1960a(2) =65280a(3) =5859504a(4) =1057449360a(5) =537828679688

External references