Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 10.
A156452
Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 10.
Terms
- a(0) =2a(1) =0a(2) =32a(3) =32a(4) =1718a(5) =5108a(6) =239978a(7) =1380432a(8) =102471151a(9) =1435365144a(10) =219088073110
External references
- oeis: A156452