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.

A173743 Numbers k such that phi(tau(k)) = tau(rad(k)).

Table of values

n a(n)
1 1
2 4
3 8
4 9
5 24
6 25
7 27
8 32
9 40
10 48
11 49
12 54
13 56
14 72
15 80
16 88
17 96
18 104
19 108
20 112
21 120
22 121
23 125
24 135
25 136
26 152
27 160
28 162
29 168
30 169
31 176
32 184
33 189
34 200
35 208
36 224
37 232
38 240
39 243
40 248
41 250
42 264
43 270
44 272
45 280
46 289
47 296
48 297
49 304
50 312
51 328
52 336
53 343
54 344
55 351
56 352
57 360

List of values

[1, 4, 8, 9, 24, 25, 27, 32, 40, 48, 49, 54, 56, 72, 80, 88, 96, 104, 108, 112, 120, 121, 125, 135, 136, 152, 160, 162, 168, 169, 176, 184, 189, 200, 208, 224, 232, 240, 243, 248, 250, 264, 270, 272, 280, 289, 296, 297, 304, 312, 328, 336, 343, 344, 351, 352, 360]