A218670 - cp's OEIS frontend

A218670 O.g.f.: Sum_{n>=0} n^n * (1+nx)^n x^n/n! * exp(-nx(1+n*x)).

n	a(n)
0	1
1	1
2	2
3	7
4	26
5	116
6	556
7	2927
8	16388
9	97666
10	612136
11	4023878
12	27579410
13	196537134
14	1451102836
15	11074811191
16	87160086800
17	706055915318
18	5876662642720
19	50182337830986
20	439036984440316
21	3930618736372336
22	35970734643745496
23	336153100655220126
24	3205000520319374116

[1, 1, 2, 7, 26, 116, 556, 2927, 16388, 97666, 612136, 4023878, 27579410, 196537134, 1451102836, 11074811191, 87160086800, 706055915318, 5876662642720, 50182337830986, 439036984440316, 3930618736372336, 35970734643745496, 336153100655220126, 3205000520319374116]

cp's OEIS Frontend

A218670 O.g.f.: Sum_{n>=0} n^n * (1+nx)^n x^n/n! * exp(-nx(1+n*x)).

Table of values

List of values

cp's OEIS Frontend

A218670 O.g.f.: Sum_{n>=0} n^n * (1+n*x)^n * x^n/n! * exp(-n*x*(1+n*x)).

Table of values

List of values

A218670 O.g.f.: Sum_{n>=0} n^n * (1+nx)^n x^n/n! * exp(-nx(1+n*x)).