cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A014657 Numbers m that divide 2^k + 1 for some nonnegative k.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 9
6 11
7 13
8 17
9 19
10 25
11 27
12 29
13 33
14 37
15 41
16 43
17 53
18 57
19 59
20 61
21 65
22 67
23 81
24 83
25 97
26 99
27 101
28 107
29 109
30 113
31 121
32 125
33 129
34 131
35 137
36 139
37 145
38 149
39 157
40 163
41 169
42 171
43 173
44 177
45 179
46 181
47 185
48 193
49 197
50 201
51 205
52 209
53 211
54 227
55 229
56 241
57 243
58 249
59 251
60 257
61 265

List of values

[1, 2, 3, 5, 9, 11, 13, 17, 19, 25, 27, 29, 33, 37, 41, 43, 53, 57, 59, 61, 65, 67, 81, 83, 97, 99, 101, 107, 109, 113, 121, 125, 129, 131, 137, 139, 145, 149, 157, 163, 169, 171, 173, 177, 179, 181, 185, 193, 197, 201, 205, 209, 211, 227, 229, 241, 243, 249, 251, 257, 265]