A271504 - cp's OEIS frontend

A271504 With a(1) = 1, a(n) is the LCM of all 0 < m < n for which a(m) divides n.

n	a(n)
1	1
2	1
3	2
4	6
5	2
6	60
7	2
8	210
9	2
10	630
11	2
12	13860
13	2
14	90090
15	2
16	90090
17	2
18	3063060
19	2
20	29099070
21	2
22	29099070
23	2
24	1338557220
25	2
26	3346393050
27	2
28	10039179150
29	2
30	582272390700
31	2
32	9025222055850
33	2
34	9025222055850
35	2
36	18050444111700
37	2
38	333933216066450
39	2
40	333933216066450

[1, 1, 2, 6, 2, 60, 2, 210, 2, 630, 2, 13860, 2, 90090, 2, 90090, 2, 3063060, 2, 29099070, 2, 29099070, 2, 1338557220, 2, 3346393050, 2, 10039179150, 2, 582272390700, 2, 9025222055850, 2, 9025222055850, 2, 18050444111700, 2, 333933216066450, 2, 333933216066450]

cp's OEIS Frontend

A271504 With a(1) = 1, a(n) is the LCM of all 0 < m < n for which a(m) divides n.

Table of values

List of values