A151785 - cp's OEIS frontend

A151785 a(n) = 7^(wt(n) - 1) where wt(n) is the binary weight of n (A000120).

n	a(n)
1	1
2	1
3	7
4	1
5	7
6	7
7	49
8	1
9	7
10	7
11	49
12	7
13	49
14	49
15	343
16	1
17	7
18	7
19	49
20	7
21	49
22	49
23	343
24	7
25	49
26	49
27	343
28	49
29	343
30	343
31	2401
32	1
33	7
34	7
35	49
36	7
37	49
38	49
39	343
40	7
41	49
42	49
43	343
44	49
45	343
46	343
47	2401
48	7
49	49
50	49
51	343
52	49
53	343
54	343
55	2401
56	49
57	343
58	343
59	2401
60	343
61	2401
62	2401
63	16807
64	1
65	7
66	7
67	49
68	7
69	49

[1, 1, 7, 1, 7, 7, 49, 1, 7, 7, 49, 7, 49, 49, 343, 1, 7, 7, 49, 7, 49, 49, 343, 7, 49, 49, 343, 49, 343, 343, 2401, 1, 7, 7, 49, 7, 49, 49, 343, 7, 49, 49, 343, 49, 343, 343, 2401, 7, 49, 49, 343, 49, 343, 343, 2401, 49, 343, 343, 2401, 343, 2401, 2401, 16807, 1, 7, 7, 49, 7, 49]

cp's OEIS Frontend

A151785 a(n) = 7^(wt(n) - 1) where wt(n) is the binary weight of n (A000120).

Table of values

List of values