Number of 14 X 14 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.
A156416
Number of 14 X 14 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.
Terms
- a(0) =1a(1) =6512a(2) =4086600a(3) =509911008a(4) =18944759304a(5) =266388662656
External references
- oeis: A156416