Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 32.

A156492

Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 32.

Terms

    a(0) =1a(1) =2a(2) =10a(3) =30a(4) =6308a(5) =74688a(6) =40816519a(7) =721196432a(8) =813786222831

External references