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.

A067133 n is a term if the phi(n) numbers in [0,n-1] and coprime to n form an arithmetic progression.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 11
10 13
11 16
12 17
13 19
14 23
15 29
16 31
17 32
18 37
19 41
20 43
21 47
22 53
23 59
24 61
25 64
26 67
27 71
28 73
29 79
30 83
31 89
32 97
33 101
34 103
35 107
36 109
37 113
38 127
39 128
40 131
41 137
42 139
43 149
44 151
45 157
46 163
47 167
48 173
49 179
50 181
51 191
52 193
53 197
54 199
55 211
56 223
57 227
58 229
59 233
60 239
61 241

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 11, 13, 16, 17, 19, 23, 29, 31, 32, 37, 41, 43, 47, 53, 59, 61, 64, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 128, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241]