A281881 - OEIS

A281881 as a simple table

n	a(n)
1	1
2	2
3	6
4	3
5	18
6	36
7	4
8	36
9	144
10	240
11	5
12	60
13	360
14	1200
15	1800
16	6
17	90
18	720
19	3600
20	10800
21	15120
22	7
23	126
24	1260
25	8400
26	37800
27	105840
28	141120
29	8
30	168
31	2016
32	16800
33	100800
34	423360
35	1128960
36	1451520

[1,2,6,3,18,36,4,36,144,240,5,60,360,1200,1800,6, 90,720,3600,10800,15120,7,126,1260,8400,37800, 105840,141120,8,168,2016,16800,100800,423360, 1128960,1451520]