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.

A320046 Largest k such that (Z/kZ)* is isomorphic to (Z/nZ)*.

Table of values

n a(n)
1 2
2 2
3 6
4 6
5 10
6 6
7 18
8 12
9 18
10 10
11 22
12 12
13 26
14 18
15 30
16 30
17 34
18 18
19 54
20 30
21 42
22 22
23 46
24 24
25 50
26 26
27 54
28 42
29 58
30 30
31 62
32 32
33 66
34 34
35 90
36 42
37 74
38 54
39 90
40 60
41 82
42 42
43 98
44 66
45 90
46 46
47 94
48 60
49 98
50 50
51 102
52 90
53 106
54 54
55 150
56 84
57 114
58 58
59 118
60 60
61 122
62 62
63 126
64 102
65 130
66 66
67 134
68 102
69 138
70 90

List of values

[2, 2, 6, 6, 10, 6, 18, 12, 18, 10, 22, 12, 26, 18, 30, 30, 34, 18, 54, 30, 42, 22, 46, 24, 50, 26, 54, 42, 58, 30, 62, 32, 66, 34, 90, 42, 74, 54, 90, 60, 82, 42, 98, 66, 90, 46, 94, 60, 98, 50, 102, 90, 106, 54, 150, 84, 114, 58, 118, 60, 122, 62, 126, 102, 130, 66, 134, 102, 138, 90]

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

Content is available under The OEIS End-User License Agreement.