A096990 - cp's OEIS frontend

A096990 Initial values for f(x)=sigma(phi(x))=A062402(x) such that iteration of f ends in cycle of length=3.

n	a(n)
1	17
2	19
3	27
4	29
5	31
6	32
7	34
8	35
9	38
10	39
11	40
12	41
13	45
14	47
15	48
16	52
17	54
18	55
19	56
20	58
21	59
22	60
23	62
24	69
25	70
26	72
27	75
28	78
29	82
30	84
31	88
32	90
33	92
34	94
35	100
36	110
37	118
38	132
39	138
40	150
41	1057
42	1117
43	1153
44	1201
45	1237
46	1241
47	1261
48	1271
49	1301
50	1313
51	1321
52	1333
53	1349
54	1351
55	1359
56	1381

[17, 19, 27, 29, 31, 32, 34, 35, 38, 39, 40, 41, 45, 47, 48, 52, 54, 55, 56, 58, 59, 60, 62, 69, 70, 72, 75, 78, 82, 84, 88, 90, 92, 94, 100, 110, 118, 132, 138, 150, 1057, 1117, 1153, 1201, 1237, 1241, 1261, 1271, 1301, 1313, 1321, 1333, 1349, 1351, 1359, 1381]

cp's OEIS Frontend

A096990 Initial values for f(x)=sigma(phi(x))=A062402(x) such that iteration of f ends in cycle of length=3.

Table of values

List of values