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.

A063752 Numbers k such that cototient(k) is a square.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 7
7 8
8 11
9 13
10 17
11 19
12 21
13 23
14 24
15 27
16 28
17 29
18 31
19 32
20 37
21 41
22 43
23 47
24 53
25 54
26 59
27 61
28 67
29 68
30 69
31 71
32 73
33 79
34 83
35 89
36 96
37 97
38 101
39 103
40 107
41 109
42 112
43 113
44 124
45 125
46 127
47 128
48 131
49 133
50 137
51 139
52 141
53 149
54 151
55 157
56 163
57 167
58 173
59 179
60 181
61 189
62 191

List of values

[1, 2, 3, 5, 6, 7, 8, 11, 13, 17, 19, 21, 23, 24, 27, 28, 29, 31, 32, 37, 41, 43, 47, 53, 54, 59, 61, 67, 68, 69, 71, 73, 79, 83, 89, 96, 97, 101, 103, 107, 109, 112, 113, 124, 125, 127, 128, 131, 133, 137, 139, 141, 149, 151, 157, 163, 167, 173, 179, 181, 189, 191]