A129649 - cp's OEIS frontend

A129649 Largest order of a permutation of n elements with exactly 4 cycles. Also the largest LCM of a 4-partition of n.

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	3
7	6
8	6
9	12
10	15
11	30
12	30
13	60
14	60
15	84
16	105
17	210
18	140
19	420
20	210
21	330
22	420
23	840
24	420
25	1260
26	1155
27	1540
28	1365
29	2520
30	1320
31	3080
32	3465
33	3960
34	4095
35	5544
36	5005
37	6930
38	6435
39	8190
40	9009
41	10296
42	8415
43	12870
44	11781
45	13464
46	15015
47	18018
48	17017
49	20592
50	21879

[0, 0, 0, 1, 2, 3, 6, 6, 12, 15, 30, 30, 60, 60, 84, 105, 210, 140, 420, 210, 330, 420, 840, 420, 1260, 1155, 1540, 1365, 2520, 1320, 3080, 3465, 3960, 4095, 5544, 5005, 6930, 6435, 8190, 9009, 10296, 8415, 12870, 11781, 13464, 15015, 18018, 17017, 20592, 21879]

cp's OEIS Frontend

A129649 Largest order of a permutation of n elements with exactly 4 cycles. Also the largest LCM of a 4-partition of n.

Table of values

List of values