Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 36.
A156498
Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 36.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =51a(4) =275a(5) =16008a(6) =175374a(7) =67060718a(8) =1866384501
External references
- oeis: A156498