A277372 - cp's OEIS frontend

A277372 a(n) = Sum_{k=1..n} binomial(n,n-k)n^(n-k)n!/(n-k)!.

n	a(n)
0	0
1	1
2	10
3	141
4	2584
5	58745
6	1602576
7	51165205
8	1874935168
9	77644293201
10	3588075308800
11	183111507687581
12	10230243235200000
13	621111794820235849
14	40722033570202507264
15	2867494972696071121125
16	215840579093024990396416
17	17294837586403146090259745
18	1469799445329208661211021312

[0, 1, 10, 141, 2584, 58745, 1602576, 51165205, 1874935168, 77644293201, 3588075308800, 183111507687581, 10230243235200000, 621111794820235849, 40722033570202507264, 2867494972696071121125, 215840579093024990396416, 17294837586403146090259745, 1469799445329208661211021312]

cp's OEIS Frontend

A277372 a(n) = Sum_{k=1..n} binomial(n,n-k)n^(n-k)n!/(n-k)!.

Table of values

List of values

cp's OEIS Frontend

A277372 a(n) = Sum_{k=1..n} binomial(n,n-k)*n^(n-k)*n!/(n-k)!.

Table of values

List of values

A277372 a(n) = Sum_{k=1..n} binomial(n,n-k)n^(n-k)n!/(n-k)!.