Multinomial coefficients (0, 1, ..., n)! = C(n+1,2)!/(0!*1!*2!*...*n!).

A022915

Multinomial coefficients (0, 1, ..., n)! = C(n+1,2)!/(0!*1!*2!*...*n!).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =60a(4) =12600a(5) =37837800

External references