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.

A226384 Numbers k such that rad(phi(k)) = phi(rad(k)).

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 7
6 11
7 12
8 14
9 22
10 23
11 24
12 28
13 31
14 43
15 44
16 46
17 47
18 48
19 56
20 59
21 62
22 67
23 71
24 79
25 83
26 86
27 88
28 92
29 94
30 96
31 103
32 107
33 112
34 118
35 124
36 131
37 134
38 139
39 142
40 158
41 166
42 167
43 172
44 176
45 179
46 184
47 188
48 191
49 192
50 206
51 211
52 214
53 223
54 224
55 227
56 236
57 239
58 248
59 262

List of values

[1, 2, 3, 6, 7, 11, 12, 14, 22, 23, 24, 28, 31, 43, 44, 46, 47, 48, 56, 59, 62, 67, 71, 79, 83, 86, 88, 92, 94, 96, 103, 107, 112, 118, 124, 131, 134, 139, 142, 158, 166, 167, 172, 176, 179, 184, 188, 191, 192, 206, 211, 214, 223, 224, 227, 236, 239, 248, 262]