A328053 - cp's OEIS frontend

A328053 Expansion of e.g.f. log(1 + Sum_{k>=1} phi(k) * x^k / k!), where phi = Euler totient function (A000010).

n	a(n)
0	0
1	1
2	0
3	1
4	-3
5	8
6	-32
7	166
8	-926
9	5842
10	-42812
11	348632
12	-3088388
13	29871372
14	-314102574
15	3554714938
16	-43057252520
17	556487433400
18	-7644034688586
19	111160926400032
20	-1706191876272876
21	27567942738717360
22	-467712309003533398
23	8312805777830133096

[0, 1, 0, 1, -3, 8, -32, 166, -926, 5842, -42812, 348632, -3088388, 29871372, -314102574, 3554714938, -43057252520, 556487433400, -7644034688586, 111160926400032, -1706191876272876, 27567942738717360, -467712309003533398, 8312805777830133096]

cp's OEIS Frontend

A328053 Expansion of e.g.f. log(1 + Sum_{k>=1} phi(k) * x^k / k!), where phi = Euler totient function (A000010).

Table of values

List of values