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.

A364722 Numbers k that divide 1 + 2^m + 4^m for some m.

Table of values

n a(n)
1 1
2 3
3 7
4 13
5 19
6 21
7 37
8 39
9 49
10 57
11 61
12 67
13 73
14 79
15 91
16 97
17 103
18 109
19 111
20 139
21 147
22 151
23 163
24 169
25 181
26 183
27 193
28 199
29 201
30 211
31 219
32 237
33 241
34 271
35 273
36 291
37 307
38 309
39 313
40 327
41 331
42 337
43 343
44 349
45 361
46 367
47 373
48 379
49 409
50 417
51 421
52 427
53 433
54 453
55 463
56 469
57 487
58 489
59 507
60 523
61 541
62 543
63 547

List of values

[1, 3, 7, 13, 19, 21, 37, 39, 49, 57, 61, 67, 73, 79, 91, 97, 103, 109, 111, 139, 147, 151, 163, 169, 181, 183, 193, 199, 201, 211, 219, 237, 241, 271, 273, 291, 307, 309, 313, 327, 331, 337, 343, 349, 361, 367, 373, 379, 409, 417, 421, 427, 433, 453, 463, 469, 487, 489, 507, 523, 541, 543, 547]