Number of 16 X 16 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.

A156421

Number of 16 X 16 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.

Terms

    a(0) =1a(1) =32400a(2) =86549820a(3) =39027027088

External references