A306549 - cp's OEIS frontend

A306549 a(n) is the product of the positions of the zeros in the binary expansion of n (the most significant bit having position 1).

n	a(n)
0	1
1	1
2	2
3	1
4	6
5	2
6	3
7	1
8	24
9	6
10	8
11	2
12	12
13	3
14	4
15	1
16	120
17	24
18	30
19	6
20	40
21	8
22	10
23	2
24	60
25	12
26	15
27	3
28	20
29	4
30	5
31	1
32	720
33	120
34	144
35	24
36	180
37	30
38	36
39	6
40	240
41	40
42	48
43	8
44	60
45	10
46	12
47	2
48	360
49	60
50	72
51	12
52	90
53	15
54	18
55	3
56	120
57	20
58	24
59	4
60	30
61	5
62	6
63	1
64	5040
65	720
66	840
67	120
68	1008

[1, 1, 2, 1, 6, 2, 3, 1, 24, 6, 8, 2, 12, 3, 4, 1, 120, 24, 30, 6, 40, 8, 10, 2, 60, 12, 15, 3, 20, 4, 5, 1, 720, 120, 144, 24, 180, 30, 36, 6, 240, 40, 48, 8, 60, 10, 12, 2, 360, 60, 72, 12, 90, 15, 18, 3, 120, 20, 24, 4, 30, 5, 6, 1, 5040, 720, 840, 120, 1008]

cp's OEIS Frontend

A306549 a(n) is the product of the positions of the zeros in the binary expansion of n (the most significant bit having position 1).

Table of values

List of values