Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 37.

A156501

Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 37.

Terms

    a(0) =2a(1) =0a(2) =50a(3) =18a(4) =13276a(5) =76680a(6) =40760544a(7) =1759663680

External references