A319361 - cp's OEIS frontend

A319361 a(n) = [x^n] exp(Sum_{k>=1} sigma_n(k)*x^k/k).

n	a(n)
0	1
1	1
2	3
3	14
4	136
5	2411
6	88903
7	6309849
8	866470849
9	240522266760
10	132000248840652
11	141226630324344532
12	306101744973083495408
13	1327520858367342045830198
14	11328405846086223895036194126
15	196814026990537767059856457640779
16	6894163531963490274906095710739747873

[1, 1, 3, 14, 136, 2411, 88903, 6309849, 866470849, 240522266760, 132000248840652, 141226630324344532, 306101744973083495408, 1327520858367342045830198, 11328405846086223895036194126, 196814026990537767059856457640779, 6894163531963490274906095710739747873]

cp's OEIS Frontend

A319361 a(n) = [x^n] exp(Sum_{k>=1} sigma_n(k)*x^k/k).

Table of values

List of values