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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.

A174240 The multiplicative order of 2 mod n, where n an odd squarefree semiprime (A046388).

Table of values

n a(n)
1 4
2 6
3 10
4 12
5 12
6 8
7 20
8 18
9 12
10 22
11 30
12 8
13 28
14 12
15 10
16 36
17 36
18 44
19 24
20 20
21 14
22 18
23 46
24 60
25 28
26 20
27 52
28 33
29 58
30 60
31 36
32 40
33 66
34 84
35 20
36 90
37 70
38 28
39 15
40 18
41 24
42 92
43 78
44 36
45 82
46 110
47 36
48 52
49 22
50 60
51 48
52 116
53 132
54 42
55 100
56 60
57 102
58 140
59 106
60 72
61 36
62 69
63 132
64 28

List of values

[4, 6, 10, 12, 12, 8, 20, 18, 12, 22, 30, 8, 28, 12, 10, 36, 36, 44, 24, 20, 14, 18, 46, 60, 28, 20, 52, 33, 58, 60, 36, 40, 66, 84, 20, 90, 70, 28, 15, 18, 24, 92, 78, 36, 82, 110, 36, 52, 22, 60, 48, 116, 132, 42, 100, 60, 102, 140, 106, 72, 36, 69, 132, 28]

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

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