A274486 - OEIS

A274486 as a simple table

n	a(n)
2	1
3	2
4	3
5	2
6	4
7	8
8	1
9	5
10	20
11	10
12	6
13	40
14	45
15	6
16	7
17	70
18	140
19	56
20	2
21	8
22	112
23	350
24	280
25	44
26	9
27	168
28	756
29	1008
30	366
31	20
32	10
33	240
34	1470
35	2940
36	1920
37	320
38	5
39	11
40	330
41	2640
42	7392
43	7590
44	2552
45	190
46	12
47	440
48	4455
49	16632
50	24684
51	13904
52	2445
53	70

[1,2,3,2,4,8,1,5,20,10,6,40,45,6,7,70,140,56,2,8, 112,350,280,44,9,168,756,1008,366,20,10,240,1470, 2940,1920,320,5,11,330,2640,7392,7590,2552,190,12, 440,4455,16632,24684,13904,2445,70]