A358268 - cp's OEIS frontend

A358268 a(n) is the least number k > 0 such that the binary weight of k^n is n times the binary weight of k.

n	a(n)
1	1
2	21
3	5
4	21
5	17
6	17
7	9
8	113
9	17
10	49
11	665
12	37
13	149
14	17
15	275
16	163
17	33
18	41
19	97
20	67
21	141
22	67
23	135
24	197
25	49
26	267
27	81
28	81
29	69
30	779
31	1163
32	69
33	325
34	49
35	587
36	837
37	281
38	197
39	293
40	49
41	147
42	677
43	67
44	651
45	647
46	67
47	793
48	277
49	353
50	49
51	1233
52	1177
53	165
54	775
55	721
56	353
57	817
58	69
59	647
60	709
61	209
62	1233
63	69
64	67
65	263

[1, 21, 5, 21, 17, 17, 9, 113, 17, 49, 665, 37, 149, 17, 275, 163, 33, 41, 97, 67, 141, 67, 135, 197, 49, 267, 81, 81, 69, 779, 1163, 69, 325, 49, 587, 837, 281, 197, 293, 49, 147, 677, 67, 651, 647, 67, 793, 277, 353, 49, 1233, 1177, 165, 775, 721, 353, 817, 69, 647, 709, 209, 1233, 69, 67, 263]

cp's OEIS Frontend

A358268 a(n) is the least number k > 0 such that the binary weight of k^n is n times the binary weight of k.

Table of values

List of values