A339549 - cp's OEIS frontend

A339549 a(n) is the product of the binary weights (A000120) of the divisors of n.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	4
7	3
8	1
9	4
10	4
11	3
12	8
13	3
14	9
15	16
16	1
17	2
18	16
19	3
20	8
21	18
22	9
23	4
24	16
25	6
26	9
27	16
28	27
29	4
30	256
31	5
32	1
33	12
34	4
35	18
36	64
37	3
38	9
39	24
40	16
41	3
42	324
43	4
44	27
45	128
46	16
47	5
48	32
49	9
50	36
51	16
52	27
53	4
54	256
55	30
56	81
57	24
58	16
59	5
60	4096
61	5
62	25
63	216
64	1
65	12
66	144
67	3
68	8
69	24
70	324
71	4
72	256
73	3

[1, 1, 2, 1, 2, 4, 3, 1, 4, 4, 3, 8, 3, 9, 16, 1, 2, 16, 3, 8, 18, 9, 4, 16, 6, 9, 16, 27, 4, 256, 5, 1, 12, 4, 18, 64, 3, 9, 24, 16, 3, 324, 4, 27, 128, 16, 5, 32, 9, 36, 16, 27, 4, 256, 30, 81, 24, 16, 5, 4096, 5, 25, 216, 1, 12, 144, 3, 8, 24, 324, 4, 256, 3]

cp's OEIS Frontend

A339549 a(n) is the product of the binary weights (A000120) of the divisors of n.

Table of values

List of values