Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 50.

A156512

Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 50.

Terms

    a(0) =3a(1) =22a(2) =474a(3) =21676a(4) =6117690a(5) =8086830378

External references