A365901 - cp's OEIS frontend

A365901 Irregular triangle read by rows giving trajectory beginning with A002182(n) under recursion of x -> f(x) until reaching 1, where f(x) = x/rad(x), rad(x) = A007947(x).

n	a(n)
1	1
2	2
3	1
4	4
5	2
6	1
7	6
8	1
9	12
10	2
11	1
12	24
13	4
14	2
15	1
16	36
17	6
18	1
19	48
20	8
21	4
22	2
23	1
24	60
25	2
26	1
27	120
28	4
29	2
30	1
31	180
32	6
33	1
34	240
35	8
36	4
37	2
38	1
39	360
40	12
41	2
42	1
43	720
44	24
45	4
46	2
47	1
48	840
49	4
50	2
51	1
52	1260
53	6
54	1
55	1680
56	8
57	4
58	2
59	1
60	2520
61	12
62	2
63	1
64	5040
65	24
66	4
67	2
68	1
69	7560
70	36
71	6
72	1

[1, 2, 1, 4, 2, 1, 6, 1, 12, 2, 1, 24, 4, 2, 1, 36, 6, 1, 48, 8, 4, 2, 1, 60, 2, 1, 120, 4, 2, 1, 180, 6, 1, 240, 8, 4, 2, 1, 360, 12, 2, 1, 720, 24, 4, 2, 1, 840, 4, 2, 1, 1260, 6, 1, 1680, 8, 4, 2, 1, 2520, 12, 2, 1, 5040, 24, 4, 2, 1, 7560, 36, 6, 1]

cp's OEIS Frontend

A365901 Irregular triangle read by rows giving trajectory beginning with A002182(n) under recursion of x -> f(x) until reaching 1, where f(x) = x/rad(x), rad(x) = A007947(x).

Table of values

List of values