A327991 - OEIS

A327991 as a simple table

n	a(n)
0	1
1	2
2	2
3	6
4	2
5	6
6	30
7	2
8	6
9	30
10	10
11	210
12	2
13	6
14	30
15	10
16	210
17	42
18	70
19	2310
20	2
21	6
22	30
23	10
24	210
25	42
26	70
27	2310
28	14
29	330
30	462
31	770
32	30030
33	2
34	6
35	30
36	10
37	210
38	42
39	70
40	2310
41	14
42	330
43	462
44	770
45	30030
46	66
47	110
48	2730
49	154
50	4290
51	6006
52	10010
53	510510

[1,2,2,6,2,6,30,2,6,30,10,210,2,6,30,10,210,42,70, 2310,2,6,30,10,210,42,70,2310,14,330,462,770, 30030,2,6,30,10,210,42,70,2310,14,330,462,770, 30030,66,110,2730,154,4290,6006,10010,510510]