Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 43.

A156507

Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 43.

Terms

    a(0) =2a(1) =58a(2) =204a(3) =41816a(4) =422538a(5) =169361504a(6) =5201763072

External references