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.

A347877 Numbers k for which A003415(sigma(k)) is odd.

Table of values

n a(n)
1 2
2 4
3 5
4 9
5 10
6 13
7 16
8 17
9 20
10 25
11 26
12 29
13 32
14 34
15 37
16 40
17 41
18 45
19 52
20 53
21 58
22 61
23 64
24 68
25 72
26 73
27 74
28 80
29 82
30 89
31 90
32 97
33 98
34 101
35 104
36 106
37 109
38 113
39 116
40 117
41 122
42 128
43 136
44 137
45 146
46 148
47 149
48 153
49 157
50 160
51 162
52 164
53 173
54 178
55 180
56 181
57 193
58 194
59 196
60 197
61 200
62 202
63 208
64 212
65 218
66 226
67 229
68 232
69 233
70 234

List of values

[2, 4, 5, 9, 10, 13, 16, 17, 20, 25, 26, 29, 32, 34, 37, 40, 41, 45, 52, 53, 58, 61, 64, 68, 72, 73, 74, 80, 82, 89, 90, 97, 98, 101, 104, 106, 109, 113, 116, 117, 122, 128, 136, 137, 146, 148, 149, 153, 157, 160, 162, 164, 173, 178, 180, 181, 193, 194, 196, 197, 200, 202, 208, 212, 218, 226, 229, 232, 233, 234]