Number of n X n arrays of squares of integers with every (n-1) X (n-1) subblock summing to 18.

A159402

Number of n X n arrays of squares of integers with every (n-1) X (n-1) subblock summing to 18.

Terms

    a(0) =78a(1) =48248a(2) =78006076a(3) =80623650576

External references