A318580 - cp's OEIS frontend

A318580 Expansion of e.g.f. exp(-1 + Product_{k>=1} 1/(1 - x^k)^k).

n	a(n)
0	1
1	1
2	7
3	55
4	601
5	7561
6	116191
7	1999327
8	39267985
9	850964401
10	20332107991
11	527930427751
12	14838001344937
13	447653776595065
14	14440021169407471
15	495398956418435791
16	18012260306904120481
17	691502230924473978337
18	27948692251661337581095
19	1185878351946613955122711

[1, 1, 7, 55, 601, 7561, 116191, 1999327, 39267985, 850964401, 20332107991, 527930427751, 14838001344937, 447653776595065, 14440021169407471, 495398956418435791, 18012260306904120481, 691502230924473978337, 27948692251661337581095, 1185878351946613955122711]

cp's OEIS Frontend

A318580 Expansion of e.g.f. exp(-1 + Product_{k>=1} 1/(1 - x^k)^k).

Table of values

List of values