A095953 - cp's OEIS frontend

A095953 Initial values for f(x) = phi(sigma(x)) such that iteration of f ends in a cycle of length 3.

n	a(n)
1	16
2	18
3	21
4	24
5	25
6	27
7	28
8	30
9	31
10	33
11	34
12	35
13	37
14	38
15	39
16	40
17	44
18	45
19	46
20	47
21	51
22	53
23	55
24	58
25	59
26	61
27	65
28	71
29	83
30	86
31	89
32	109
33	131
34	137
35	149
36	900
37	1116
38	1152
39	1156
40	1200
41	1236
42	1260
43	1300
44	1320
45	1380
46	1386
47	1410
48	1428
49	1458
50	1488
51	1500
52	1518
53	1524
54	1533
55	1536

[16, 18, 21, 24, 25, 27, 28, 30, 31, 33, 34, 35, 37, 38, 39, 40, 44, 45, 46, 47, 51, 53, 55, 58, 59, 61, 65, 71, 83, 86, 89, 109, 131, 137, 149, 900, 1116, 1152, 1156, 1200, 1236, 1260, 1300, 1320, 1380, 1386, 1410, 1428, 1458, 1488, 1500, 1518, 1524, 1533, 1536]

cp's OEIS Frontend

A095953 Initial values for f(x) = phi(sigma(x)) such that iteration of f ends in a cycle of length 3.

Table of values

List of values