A143408 - cp's OEIS frontend

A143408 Number of numbers k such that the reduced totient function psi(k) = A002174(n).

n	a(n)
1	2
2	6
3	12
4	16
5	4
6	8
7	84
8	32
9	40
10	32
11	8
12	20
13	20
14	64
15	8
16	480
17	80
18	48
19	12
20	8
21	160
22	20
23	16
24	4
25	8
26	1216
27	8
28	64
29	16
30	872
31	24
32	160
33	8
34	532
35	52
36	120
37	12
38	424
39	100
40	24
41	4
42	8
43	944
44	24
45	144
46	12
47	1912
48	272
49	8
50	16
51	276
52	24
53	64
54	144
55	1856
56	20
57	96
58	1276
59	40
60	112
61	12
62	8
63	116
64	20
65	16
66	96
67	8

[2, 6, 12, 16, 4, 8, 84, 32, 40, 32, 8, 20, 20, 64, 8, 480, 80, 48, 12, 8, 160, 20, 16, 4, 8, 1216, 8, 64, 16, 872, 24, 160, 8, 532, 52, 120, 12, 424, 100, 24, 4, 8, 944, 24, 144, 12, 1912, 272, 8, 16, 276, 24, 64, 144, 1856, 20, 96, 1276, 40, 112, 12, 8, 116, 20, 16, 96, 8]

cp's OEIS Frontend

A143408 Number of numbers k such that the reduced totient function psi(k) = A002174(n).

Table of values

List of values