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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.

A002202 Values taken by totient function phi(m) (A000010).

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 8
6 10
7 12
8 16
9 18
10 20
11 22
12 24
13 28
14 30
15 32
16 36
17 40
18 42
19 44
20 46
21 48
22 52
23 54
24 56
25 58
26 60
27 64
28 66
29 70
30 72
31 78
32 80
33 82
34 84
35 88
36 92
37 96
38 100
39 102
40 104
41 106
42 108
43 110
44 112
45 116
46 120
47 126
48 128
49 130
50 132
51 136
52 138
53 140
54 144
55 148
56 150
57 156
58 160
59 162
60 164
61 166
62 168
63 172
64 176

List of values

[1, 2, 4, 6, 8, 10, 12, 16, 18, 20, 22, 24, 28, 30, 32, 36, 40, 42, 44, 46, 48, 52, 54, 56, 58, 60, 64, 66, 70, 72, 78, 80, 82, 84, 88, 92, 96, 100, 102, 104, 106, 108, 110, 112, 116, 120, 126, 128, 130, 132, 136, 138, 140, 144, 148, 150, 156, 160, 162, 164, 166, 168, 172, 176]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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