Number of 5 X 6 matrices with elements in 0..n with each row and each column in nondecreasing order. 5,6,n can be permuted, see formula.

A140905

Number of 5 X 6 matrices with elements in 0..n with each row and each column in nondecreasing order. 5,6,n can be permuted, see formula.

Terms

    a(0) =1a(1) =462a(2) =60984a(3) =3737448a(4) =133613766a(5) =3184461423a(6) =55197331332a(7) =739309710568

External references