A225642 - cp's OEIS frontend

A225642 Irregular table read by rows: n-th row gives distinct values of successively iterated Landau-like functions for n, starting with the initial value n.

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	12
7	5
8	30
9	60
10	6
11	30
12	60
13	7
14	84
15	420
16	8
17	120
18	840
19	9
20	180
21	1260
22	2520
23	10
24	210
25	840
26	2520
27	11
28	330
29	4620
30	13860
31	27720
32	12
33	420
34	4620
35	13860
36	27720
37	13
38	780
39	8580
40	60060
41	180180
42	360360
43	14
44	630
45	8190
46	90090
47	360360
48	15
49	840
50	10920
51	120120
52	360360

[1, 2, 3, 6, 4, 12, 5, 30, 60, 6, 30, 60, 7, 84, 420, 8, 120, 840, 9, 180, 1260, 2520, 10, 210, 840, 2520, 11, 330, 4620, 13860, 27720, 12, 420, 4620, 13860, 27720, 13, 780, 8580, 60060, 180180, 360360, 14, 630, 8190, 90090, 360360, 15, 840, 10920, 120120, 360360]

cp's OEIS Frontend

A225642 Irregular table read by rows: n-th row gives distinct values of successively iterated Landau-like functions for n, starting with the initial value n.

Table of values

List of values