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.

A003277 Cyclic numbers: k such that k and phi(k) are relatively prime; also k such that there is just one group of order k, i.e., A000001(k) = 1.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 11
7 13
8 15
9 17
10 19
11 23
12 29
13 31
14 33
15 35
16 37
17 41
18 43
19 47
20 51
21 53
22 59
23 61
24 65
25 67
26 69
27 71
28 73
29 77
30 79
31 83
32 85
33 87
34 89
35 91
36 95
37 97
38 101
39 103
40 107
41 109
42 113
43 115
44 119
45 123
46 127
47 131
48 133
49 137
50 139
51 141
52 143
53 145
54 149
55 151
56 157
57 159
58 161
59 163
60 167
61 173

List of values

[1, 2, 3, 5, 7, 11, 13, 15, 17, 19, 23, 29, 31, 33, 35, 37, 41, 43, 47, 51, 53, 59, 61, 65, 67, 69, 71, 73, 77, 79, 83, 85, 87, 89, 91, 95, 97, 101, 103, 107, 109, 113, 115, 119, 123, 127, 131, 133, 137, 139, 141, 143, 145, 149, 151, 157, 159, 161, 163, 167, 173]

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

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