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.

A015733 Numbers k such that d(k) does not divide phi(k).

Table of values

n a(n)
1 2
2 4
3 6
4 12
5 14
6 16
7 20
8 22
9 25
10 27
11 32
12 36
13 38
14 42
15 44
16 46
17 48
18 50
19 54
20 60
21 62
22 64
23 66
24 68
25 75
26 80
27 81
28 86
29 92
30 94
31 96
32 100
33 112
34 114
35 116
36 118
37 121
38 132
39 134
40 138
41 142
42 144
43 150
44 154
45 158
46 160
47 162
48 164
49 166
50 180
51 186
52 188
53 189
54 192
55 196
56 200
57 204

List of values

[2, 4, 6, 12, 14, 16, 20, 22, 25, 27, 32, 36, 38, 42, 44, 46, 48, 50, 54, 60, 62, 64, 66, 68, 75, 80, 81, 86, 92, 94, 96, 100, 112, 114, 116, 118, 121, 132, 134, 138, 142, 144, 150, 154, 158, 160, 162, 164, 166, 180, 186, 188, 189, 192, 196, 200, 204]