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.

A066994 Numbers k such that phi(k) divides k*sigma(k).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 8
7 10
8 12
9 14
10 15
11 16
12 18
13 20
14 21
15 24
16 26
17 27
18 30
19 32
20 35
21 36
22 39
23 40
24 42
25 48
26 54
27 55
28 56
29 60
30 63
31 64
32 70
33 72
34 78
35 80
36 84
37 88
38 96
39 98
40 104
41 105
42 108
43 110
44 114
45 116
46 120
47 125
48 126
49 128
50 135
51 140
52 144
53 147
54 150
55 155
56 156
57 160
58 162
59 165
60 168
61 189
62 190
63 192

List of values

[1, 2, 3, 4, 6, 8, 10, 12, 14, 15, 16, 18, 20, 21, 24, 26, 27, 30, 32, 35, 36, 39, 40, 42, 48, 54, 55, 56, 60, 63, 64, 70, 72, 78, 80, 84, 88, 96, 98, 104, 105, 108, 110, 114, 116, 120, 125, 126, 128, 135, 140, 144, 147, 150, 155, 156, 160, 162, 165, 168, 189, 190, 192]