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.

A306711 Numbers k such that gcd(k, phi(k)) <> gcd(k, psi(k)).

Table of values

n a(n)
1 6
2 12
3 15
4 18
5 21
6 24
7 30
8 33
9 36
10 39
11 45
12 48
13 51
14 54
15 55
16 57
17 60
18 63
19 66
20 69
21 72
22 75
23 87
24 90
25 91
26 93
27 95
28 96
29 99
30 102
31 108
32 110
33 111
34 117
35 120
36 123
37 129
38 132
39 135
40 138
41 141
42 144
43 145
44 147
45 150
46 153
47 155
48 159
49 162
50 165
51 171
52 174
53 177
54 180
55 182
56 183
57 189
58 190
59 192
60 198
61 201

List of values

[6, 12, 15, 18, 21, 24, 30, 33, 36, 39, 45, 48, 51, 54, 55, 57, 60, 63, 66, 69, 72, 75, 87, 90, 91, 93, 95, 96, 99, 102, 108, 110, 111, 117, 120, 123, 129, 132, 135, 138, 141, 144, 145, 147, 150, 153, 155, 159, 162, 165, 171, 174, 177, 180, 182, 183, 189, 190, 192, 198, 201]