A158615 - cp's OEIS frontend

A158615 Expansion of Sum_{n>0} nn!x^n/(1-n!*x^n).

n	a(n)
1	1
2	5
3	19
4	105
5	601
6	4445
7	35281
8	324897
9	3266569
10	36360065
11	439084801
12	5751188913
13	80951270401
14	1220673888257
15	19615124183329
16	334777645154817
17	6046686277632001
18	115243914079782593
19	2311256907767808001

[1, 5, 19, 105, 601, 4445, 35281, 324897, 3266569, 36360065, 439084801, 5751188913, 80951270401, 1220673888257, 19615124183329, 334777645154817, 6046686277632001, 115243914079782593, 2311256907767808001]

cp's OEIS Frontend

A158615 Expansion of Sum_{n>0} nn!x^n/(1-n!*x^n).

Table of values

List of values

cp's OEIS Frontend

A158615 Expansion of Sum_{n>0} n*n!*x^n/(1-n!*x^n).

Table of values

List of values

A158615 Expansion of Sum_{n>0} nn!x^n/(1-n!*x^n).