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.

A191218 Odd numbers n such that sigma(n) is congruent to 2 modulo 4.

Table of values

n a(n)
1 5
2 13
3 17
4 29
5 37
6 41
7 45
8 53
9 61
10 73
11 89
12 97
13 101
14 109
15 113
16 117
17 137
18 149
19 153
20 157
21 173
22 181
23 193
24 197
25 229
26 233
27 241
28 245
29 257
30 261
31 269
32 277
33 281
34 293
35 313
36 317
37 325
38 333
39 337
40 349
41 353
42 369
43 373
44 389
45 397
46 401
47 405
48 409
49 421
50 425
51 433
52 449
53 457
54 461
55 477

List of values

[5, 13, 17, 29, 37, 41, 45, 53, 61, 73, 89, 97, 101, 109, 113, 117, 137, 149, 153, 157, 173, 181, 193, 197, 229, 233, 241, 245, 257, 261, 269, 277, 281, 293, 313, 317, 325, 333, 337, 349, 353, 369, 373, 389, 397, 401, 405, 409, 421, 425, 433, 449, 457, 461, 477]