A008339 - cp's OEIS frontend

A008339 a(1)=1; for n >= 1, a(n+1) = lcm(a(n),n) / gcd(a(n),n).

n	a(n)
1	1
2	1
3	2
4	6
5	6
6	30
7	5
8	35
9	280
10	2520
11	252
12	2772
13	231
14	3003
15	858
16	1430
17	5720
18	97240
19	437580
20	8314020
21	415701
22	969969
23	176358
24	4056234
25	2704156
26	67603900
27	2600150
28	70204050
29	10029150
30	290845350
31	9694845
32	300540195
33	9617286240
34	35263382880
35	1037158320

[1, 1, 2, 6, 6, 30, 5, 35, 280, 2520, 252, 2772, 231, 3003, 858, 1430, 5720, 97240, 437580, 8314020, 415701, 969969, 176358, 4056234, 2704156, 67603900, 2600150, 70204050, 10029150, 290845350, 9694845, 300540195, 9617286240, 35263382880, 1037158320]

cp's OEIS Frontend

A008339 a(1)=1; for n >= 1, a(n+1) = lcm(a(n),n) / gcd(a(n),n).

Table of values

List of values