A213206 - cp's OEIS frontend

A213206 Largest order of permutation without a 2-cycle of n elements. Equivalently, largest LCM of partitions of n without parts =2.

n	a(n)
0	1
1	1
2	1
3	3
4	4
5	5
6	6
7	12
8	15
9	20
10	21
11	30
12	60
13	60
14	84
15	105
16	140
17	140
18	210
19	420
20	420
21	420
22	420
23	840
24	840
25	1260
26	1260
27	1540
28	1540
29	2520
30	4620
31	4620
32	5460
33	5460
34	9240
35	9240
36	13860
37	13860
38	16380
39	16380
40	27720
41	27720
42	32760
43	60060
44	60060
45	60060
46	60060
47	120120
48	120120
49	180180
50	180180
51	180180

[1, 1, 1, 3, 4, 5, 6, 12, 15, 20, 21, 30, 60, 60, 84, 105, 140, 140, 210, 420, 420, 420, 420, 840, 840, 1260, 1260, 1540, 1540, 2520, 4620, 4620, 5460, 5460, 9240, 9240, 13860, 13860, 16380, 16380, 27720, 27720, 32760, 60060, 60060, 60060, 60060, 120120, 120120, 180180, 180180, 180180]

cp's OEIS Frontend

A213206 Largest order of permutation without a 2-cycle of n elements. Equivalently, largest LCM of partitions of n without parts =2.

Table of values

List of values