A333271 - OEIS

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A333271 as a simple table

n	a(n)
1	1
2	1
3	2
4	3
5	2
6	1
7	1
8	2
9	4
10	6
11	9
12	10
13	11
14	10
15	9
16	6
17	4
18	2
19	1
20	1
21	2
22	4
23	8
24	12
25	18
26	27
27	36
28	45
29	54
30	60
31	66
32	69
33	66
34	60
35	54
36	45
37	36
38	27
39	18
40	12
41	8
42	4
43	2
44	1

[1,1,2,3,2,1,1,2,4,6,9,10,11,10,9,6,4,2,1,1,2,4,8, 12,18,27,36,45,54,60,66,69,66,60,54,45,36,27,18, 12,8,4,2,1]