Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 24.

A156479

Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 24.

Terms

    a(0) =4a(1) =42a(2) =1104a(3) =151919a(4) =102258544a(5) =204824609668

External references