Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 24.
A156480
Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 24.
Terms
- a(0) =2a(1) =22a(2) =64a(3) =3923a(4) =32236a(5) =10001476a(6) =183254724a(7) =94893077616
External references
- oeis: A156480