Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 12.

A159387

Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 12.

Terms

    a(0) =16a(1) =18113a(2) =6467188a(3) =1809241443a(4) =293674429000

External references