A028342 - cp's OEIS frontend

A028342 Expansion of Product_{i>=1} (1 - x^i)^(-1/i); also of exp(Sum_{n>=1} (d(n)*x^n/n)) where d is number of divisors function.

n	a(n)
0	1
1	1
2	3
3	11
4	59
5	339
6	2629
7	20677
8	202089
9	2066201
10	24322931
11	296746251
12	4193572723
13	59806188571
14	954679763829
15	15845349818789
16	285841314451409
17	5293203821406897
18	106976406006818659
19	2201383054398314251

[1, 1, 3, 11, 59, 339, 2629, 20677, 202089, 2066201, 24322931, 296746251, 4193572723, 59806188571, 954679763829, 15845349818789, 285841314451409, 5293203821406897, 106976406006818659, 2201383054398314251]

cp's OEIS Frontend

A028342 Expansion of Product_{i>=1} (1 - x^i)^(-1/i); also of exp(Sum_{n>=1} (d(n)*x^n/n)) where d is number of divisors function.

Table of values

List of values