A191663 - OEIS

A191663 as a simple table

n	a(n)
1	1
2	4
3	2
4	9
5	5
6	3
7	20
8	12
9	8
10	6
11	41
12	25
13	17
14	13
15	7
16	84
17	52
18	36
19	28
20	16
21	10
22	169
23	105
24	73
25	57
26	33
27	21
28	11
29	340
30	212
31	148
32	116
33	68
34	44
35	24
36	14
37	681
38	425
39	297
40	233
41	137
42	89
43	49
44	29
45	15
46	1364
47	852
48	596
49	468
50	276
51	180
52	100
53	60
54	32
55	18
56	2729
57	1705
58	1193
59	937
60	553

[1,4,2,9,5,3,20,12,8,6,41,25,17,13,7,84,52,36,28, 16,10,169,105,73,57,33,21,11,340,212,148,116,68, 44,24,14,681,425,297,233,137,89,49,29,15,1364,852, 596,468,276,180,100,60,32,18,2729,1705,1193,937, 553]