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.

A066498 Numbers k such that 3 divides phi(k).

Table of values

n a(n)
1 7
2 9
3 13
4 14
5 18
6 19
7 21
8 26
9 27
10 28
11 31
12 35
13 36
14 37
15 38
16 39
17 42
18 43
19 45
20 49
21 52
22 54
23 56
24 57
25 61
26 62
27 63
28 65
29 67
30 70
31 72
32 73
33 74
34 76
35 77
36 78
37 79
38 81
39 84
40 86
41 90
42 91
43 93
44 95
45 97
46 98
47 99
48 103
49 104
50 105
51 108
52 109
53 111
54 112
55 114
56 117
57 119
58 122
59 124
60 126
61 127
62 129
63 130
64 133

List of values

[7, 9, 13, 14, 18, 19, 21, 26, 27, 28, 31, 35, 36, 37, 38, 39, 42, 43, 45, 49, 52, 54, 56, 57, 61, 62, 63, 65, 67, 70, 72, 73, 74, 76, 77, 78, 79, 81, 84, 86, 90, 91, 93, 95, 97, 98, 99, 103, 104, 105, 108, 109, 111, 112, 114, 117, 119, 122, 124, 126, 127, 129, 130, 133]