A159604 - cp's OEIS frontend

A159604 G.f.: A(x) = exp( Sum_{n>=1} [ Sum_{k>=1} sigma(n,k)*x^k ]^n/n ).

n	a(n)
0	1
1	1
2	6
3	43
4	856
5	10744
6	608375
7	14284223
8	551011548
9	19119025101
10	874788949035
11	37896009869060
12	20683158266928833
13	1799893777863733707
14	93147805938921355288
15	3757831283217050847983
16	180287028377782585130749

[1, 1, 6, 43, 856, 10744, 608375, 14284223, 551011548, 19119025101, 874788949035, 37896009869060, 20683158266928833, 1799893777863733707, 93147805938921355288, 3757831283217050847983, 180287028377782585130749]

cp's OEIS Frontend

A159604 G.f.: A(x) = exp( Sum_{n>=1} [ Sum_{k>=1} sigma(n,k)*x^k ]^n/n ).

Table of values

List of values