Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 14.

A156461

Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 14.

Terms

    a(0) =48a(1) =36a(2) =2952a(3) =9216a(4) =881382a(5) =5913728a(6) =977782336a(7) =18737188768

External references