Place n distinguishable balls in n boxes (in n^n ways); let f(n,k) = number of ways that max in any box is k, for 1<=k<=n; sequence gives f(n,4)/n.

A019580

Place n distinguishable balls in n boxes (in n^n ways); let f(n,k) = number of ways that max in any box is k, for 1<=k<=n; sequence gives f(n,4)/n.

Terms

    a(0) =1a(1) =20a(2) =375a(3) =7560a(4) =167825a(5) =4110120a(6) =110602800a(7) =3252075750a(8) =103881924300

External references