Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 26.

A156485

Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 26.

Terms

    a(0) =2a(1) =0a(2) =96a(3) =88a(4) =9866a(5) =64560a(6) =10075588a(7) =176105168a(8) =80948165500

External references