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.

A175594 Numbers having no primitive root.

Table of values

n a(n)
1 0
2 8
3 12
4 15
5 16
6 20
7 21
8 24
9 28
10 30
11 32
12 33
13 35
14 36
15 39
16 40
17 42
18 44
19 45
20 48
21 51
22 52
23 55
24 56
25 57
26 60
27 63
28 64
29 65
30 66
31 68
32 69
33 70
34 72
35 75
36 76
37 77
38 78
39 80
40 84
41 85
42 87
43 88
44 90
45 91
46 92
47 93
48 95
49 96
50 99
51 100
52 102
53 104
54 105
55 108
56 110
57 111
58 112
59 114
60 115
61 116
62 117
63 119
64 120
65 123

List of values

[0, 8, 12, 15, 16, 20, 21, 24, 28, 30, 32, 33, 35, 36, 39, 40, 42, 44, 45, 48, 51, 52, 55, 56, 57, 60, 63, 64, 65, 66, 68, 69, 70, 72, 75, 76, 77, 78, 80, 84, 85, 87, 88, 90, 91, 92, 93, 95, 96, 99, 100, 102, 104, 105, 108, 110, 111, 112, 114, 115, 116, 117, 119, 120, 123]