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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.

A059889 a(n) = |{m : multiplicative order of 7 mod m=n}|.

Table of values

n a(n)
1 4
2 6
3 8
4 26
5 4
6 42
7 12
8 48
9 52
10 66
11 12
12 778
13 4
14 138
15 80
16 300
17 12
18 528
19 12
20 1430
21 72
22 138
23 28
24 15216
25 24
26 66
27 1216
28 966
29 28
30 3630
31 28
32 1344
33 360
34 58
35 108
36 16988
37 28
38 138
39 176
40 12752
41 28
42 7398
43 12
44 4422
45 1900
46 122
47 12
48 131028
49 240
50 536
51 744
52 1046
53 28
54 23744
55 44

List of values

[4, 6, 8, 26, 4, 42, 12, 48, 52, 66, 12, 778, 4, 138, 80, 300, 12, 528, 12, 1430, 72, 138, 28, 15216, 24, 66, 1216, 966, 28, 3630, 28, 1344, 360, 58, 108, 16988, 28, 138, 176, 12752, 28, 7398, 12, 4422, 1900, 122, 12, 131028, 240, 536, 744, 1046, 28, 23744, 44]

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

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