A223257 - OEIS

A223257 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	6
8	6
9	1
10	1
11	12
12	24
13	12
14	1
15	1
16	60
17	120
18	120
19	60
20	1
21	1
22	20
23	180
24	720
25	180
26	20
27	1
28	1
29	140
30	126
31	1680
32	1680
33	126
34	140
35	1
36	1
37	280
38	10080
39	10080
40	40320
41	10080
42	10080
43	280
44	1
45	1
46	2520
47	10080
48	1296
49	3456
50	3456
51	1296
52	10080
53	2520
54	1

[1,1,1,1,2,1,1,6,6,1,1,12,24,12,1,1,60,120,120,60, 1,1,20,180,720,180,20,1,1,140,126,1680,1680,126, 140,1,1,280,10080,10080,40320,10080,10080,280,1,1, 2520,10080,1296,3456,3456,1296,10080,2520,1]