A124320 - OEIS

A124320 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	6
6	1
7	3
8	12
9	60
10	1
11	4
12	20
13	120
14	840
15	1
16	5
17	30
18	210
19	1680
20	15120
21	1
22	6
23	42
24	336
25	3024
26	30240
27	332640
28	1
29	7
30	56
31	504
32	5040
33	55440
34	665280
35	8648640
36	1
37	8
38	72
39	720
40	7920
41	95040
42	1235520
43	17297280
44	259459200
45	1
46	9
47	90
48	990
49	11880
50	154440
51	2162160
52	32432400
53	518918400
54	8821612800

[1,1,1,1,2,6,1,3,12,60,1,4,20,120,840,1,5,30,210, 1680,15120,1,6,42,336,3024,30240,332640,1,7,56, 504,5040,55440,665280,8648640,1,8,72,720,7920, 95040,1235520,17297280,259459200,1,9,90,990,11880, 154440,2162160,32432400,518918400,8821612800]