A339972 - OEIS

A339972 as a simple table

n	a(n)
0	1
1	3
2	5
3	15
4	3
5	9
6	15
7	45
8	1
9	3
10	5
11	15
12	3
13	9
14	15
15	45
16	9
17	27
18	45
19	135
20	27
21	81
22	135
23	405
24	9
25	27
26	45
27	135
28	27
29	81
30	135
31	405
32	11
33	33
34	55
35	165
36	33
37	99
38	165
39	495
40	11
41	33
42	55
43	165
44	33
45	99
46	165
47	495
48	99
49	297
50	495
51	1485
52	297
53	891
54	1485
55	4455
56	99
57	297
58	495
59	1485
60	297
61	891
62	1485
63	4455
64	7
65	21
66	35
67	105
68	21
69	63
70	105
71	315
72	7
73	21

[1,3,5,15,3,9,15,45,1,3,5,15,3,9,15,45,9,27,45, 135,27,81,135,405,9,27,45,135,27,81,135,405,11,33, 55,165,33,99,165,495,11,33,55,165,33,99,165,495, 99,297,495,1485,297,891,1485,4455,99,297,495,1485, 297,891,1485,4455,7,21,35,105,21,63,105,315,7,21]