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.

1, 20, 375, 7560, 167825, 4110120, 110602800, 3252075750, 103881924300, 3585467886000, 133052005386300, 5284678706307000, 223761183682286250, 10063370411081988000, 479152851159102120000, 24082014064135799772000

Offset

4,2

Links

Table of n, a(n) for n=4..19.

Crossrefs

Cf. A019576.

Sequence in context: A365415 A178352 A266736 * A177109 A162806 A324949

Adjacent sequences: A019577 A019578 A019579 * A019581 A019582 A019583

Keyword

nonn

Author

Lee Corbin (lcorbin(AT)tsoft.com)

Extensions

More terms from Sean A. Irvine, Mar 27 2019

Status

approved