A318811 - cp's OEIS frontend

A318811 Expansion of e.g.f. exp(Sum_{k>=1} phi(k)*x^k), where phi is the Euler totient function A000010.

n	a(n)
0	1
1	1
2	3
3	19
4	121
5	1161
6	9931
7	124363
8	1542129
9	21594961
10	335083411
11	5712781251
12	104044684393
13	2036445474649
14	42781075481691
15	943820382272251
16	22433542236603361
17	556276331238284193
18	14612462927067954979
19	401110580118493111411
20	11553483337639043003481

[1, 1, 3, 19, 121, 1161, 9931, 124363, 1542129, 21594961, 335083411, 5712781251, 104044684393, 2036445474649, 42781075481691, 943820382272251, 22433542236603361, 556276331238284193, 14612462927067954979, 401110580118493111411, 11553483337639043003481]

cp's OEIS Frontend

A318811 Expansion of e.g.f. exp(Sum_{k>=1} phi(k)*x^k), where phi is the Euler totient function A000010.

Table of values

List of values