Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 38.

A156502

Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 38.

Terms

    a(0) =2a(1) =108a(2) =80a(3) =22640a(4) =182640a(5) =60084184a(6) =1377842504

External references