Number of ways to fill an n X n matrix with numbers 1, 2, ..., n*n such that each row and each column is decreasing or increasing.

A062528

Number of ways to fill an n X n matrix with numbers 1, 2, ..., n*n such that each row and each column is decreasing or increasing.

Terms

    a(0) =1a(1) =24a(2) =736a(3) =486200a(4) =15717093608

External references