A379518 - cp's OEIS frontend

A379518 Denominators of the partial sums of the reciprocals of the unitary totient function (A047994).

n	a(n)
1	1
2	1
3	2
4	6
5	12
6	12
7	4
8	28
9	56
10	56
11	280
12	840
13	280
14	840
15	210
16	42
17	336
18	336
19	1008
20	1008
21	1008
22	5040
23	55440
24	55440
25	55440
26	55440
27	720720
28	720720
29	102960
30	102960
31	102960
32	3191760
33	3191760
34	199485
35	1595880
36	797940
37	199485
38	398970
39	1595880
40	11171160
41	1117116
42	279279

[1, 1, 2, 6, 12, 12, 4, 28, 56, 56, 280, 840, 280, 840, 210, 42, 336, 336, 1008, 1008, 1008, 5040, 55440, 55440, 55440, 55440, 720720, 720720, 102960, 102960, 102960, 3191760, 3191760, 199485, 1595880, 797940, 199485, 398970, 1595880, 11171160, 1117116, 279279]

cp's OEIS Frontend

A379518 Denominators of the partial sums of the reciprocals of the unitary totient function (A047994).

Table of values

List of values