A267584 - cp's OEIS frontend

A267584 a(0)=1; thereafter a(n) = 2^(1 + number of zeros in binary expansion of n).

n	a(n)
0	1
1	2
2	4
3	2
4	8
5	4
6	4
7	2
8	16
9	8
10	8
11	4
12	8
13	4
14	4
15	2
16	32
17	16
18	16
19	8
20	16
21	8
22	8
23	4
24	16
25	8
26	8
27	4
28	8
29	4
30	4
31	2
32	64
33	32
34	32
35	16
36	32
37	16
38	16
39	8
40	32
41	16
42	16
43	8
44	16
45	8
46	8
47	4
48	32
49	16
50	16
51	8
52	16
53	8
54	8
55	4
56	16
57	8
58	8
59	4
60	8
61	4
62	4
63	2
64	128
65	64
66	64
67	32
68	64
69	32
70	32
71	16
72	64

[1, 2, 4, 2, 8, 4, 4, 2, 16, 8, 8, 4, 8, 4, 4, 2, 32, 16, 16, 8, 16, 8, 8, 4, 16, 8, 8, 4, 8, 4, 4, 2, 64, 32, 32, 16, 32, 16, 16, 8, 32, 16, 16, 8, 16, 8, 8, 4, 32, 16, 16, 8, 16, 8, 8, 4, 16, 8, 8, 4, 8, 4, 4, 2, 128, 64, 64, 32, 64, 32, 32, 16, 64]

cp's OEIS Frontend

A267584 a(0)=1; thereafter a(n) = 2^(1 + number of zeros in binary expansion of n).

Table of values

List of values

n	a(n)
0	1
1	2
2	4
3	2
4	8
5	4
6	4
7	2
8	16
9	8
10	8
11	4
12	8
13	4
14	4
15	2
16	32
17	16
18	16
19	8
20	16
21	8
22	8
23	4
24	16
25	8
26	8
27	4
28	8
29	4
30	4
31	2
32	64
33	32
34	32
35	16
36	32
37	16
38	16
39	8
40	32
41	16
42	16
43	8
44	16
45	8
46	8
47	4
48	32
49	16
50	16
51	8
52	16
53	8
54	8
55	4
56	16
57	8
58	8
59	4
60	8
61	4
62	4
63	2
64	128
65	64
66	64
67	32
68	64
69	32
70	32
71	16
72	64

n	a(n)
0	1
1	2
2	4
3	2
4	8
5	4
6	4
7	2
8	16
9	8
10	8
11	4
12	8
13	4
14	4
15	2
16	32
17	16
18	16
19	8
20	16
21	8
22	8
23	4
24	16
25	8
26	8
27	4
28	8
29	4
30	4
31	2
32	64
33	32
34	32
35	16
36	32
37	16
38	16
39	8
40	32
41	16
42	16
43	8
44	16
45	8
46	8
47	4
48	32
49	16
50	16
51	8
52	16
53	8
54	8
55	4
56	16
57	8
58	8
59	4
60	8
61	4
62	4
63	2
64	128
65	64
66	64
67	32
68	64
69	32
70	32
71	16
72	64

n	a(n)
0	1
1	2
2	4
3	2
4	8
5	4
6	4
7	2
8	16
9	8
10	8
11	4
12	8
13	4
14	4
15	2
16	32
17	16
18	16
19	8
20	16
21	8
22	8
23	4
24	16
25	8
26	8
27	4
28	8
29	4
30	4
31	2
32	64
33	32
34	32
35	16
36	32
37	16
38	16
39	8
40	32
41	16
42	16
43	8
44	16
45	8
46	8
47	4
48	32
49	16
50	16
51	8
52	16
53	8
54	8
55	4
56	16
57	8
58	8
59	4
60	8
61	4
62	4
63	2
64	128
65	64
66	64
67	32
68	64
69	32
70	32
71	16
72	64