A019577 - cp's OEIS frontend

A019577 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,2)/n.

n	a(n)
1	0
2	1
3	6
4	45
5	420
6	4800
7	65520
8	1045170
9	19126800
10	395448480
11	9120988800
12	232248416400
13	6471820555200
14	195912193276800
15	6402199349145600
16	224636583525354000
17	8423131243022496000
18	336138596955120960000
19	14224375944427993344000
20	636224790017466730080000

[0, 1, 6, 45, 420, 4800, 65520, 1045170, 19126800, 395448480, 9120988800, 232248416400, 6471820555200, 195912193276800, 6402199349145600, 224636583525354000, 8423131243022496000, 336138596955120960000, 14224375944427993344000, 636224790017466730080000]

cp's OEIS Frontend

A019577 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,2)/n.

Table of values

List of values