A096850 - cp's OEIS frontend

A096850 Consider iteration of the function f(x) = phi(sigma(x)) = A062401(x). Sequence gives numbers n such that the trajectory of n returns to n.

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	12
7	16
8	24
9	30
10	48
11	60
12	72
13	96
14	128
15	240
16	432
17	480
18	576
19	720
20	864
21	1200
22	1280
23	1512
24	1536
25	1728
26	1800
27	1860
28	2016
29	2560
30	2880
31	3024
32	3456
33	3840
34	6912
35	10368
36	14080
37	15552
38	15840
39	18144
40	27648
41	30976
42	32768
43	34560
44	41472
45	42240
46	48384

[1, 2, 4, 6, 8, 12, 16, 24, 30, 48, 60, 72, 96, 128, 240, 432, 480, 576, 720, 864, 1200, 1280, 1512, 1536, 1728, 1800, 1860, 2016, 2560, 2880, 3024, 3456, 3840, 6912, 10368, 14080, 15552, 15840, 18144, 27648, 30976, 32768, 34560, 41472, 42240, 48384]

cp's OEIS Frontend

A096850 Consider iteration of the function f(x) = phi(sigma(x)) = A062401(x). Sequence gives numbers n such that the trajectory of n returns to n.

Table of values

List of values