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.

A245047 Numbers n where phi(n)|n or tau(n)|n.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 8
6 9
7 12
8 16
9 18
10 24
11 32
12 36
13 40
14 48
15 54
16 56
17 60
18 64
19 72
20 80
21 84
22 88
23 96
24 104
25 108
26 128
27 132
28 136
29 144
30 152
31 156
32 162
33 180
34 184
35 192
36 204
37 216
38 225
39 228
40 232
41 240
42 248
43 252
44 256
45 276
46 288
47 296
48 324
49 328
50 344
51 348
52 360
53 372
54 376
55 384
56 396
57 424
58 432
59 441
60 444
61 448
62 450

List of values

[1, 2, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 40, 48, 54, 56, 60, 64, 72, 80, 84, 88, 96, 104, 108, 128, 132, 136, 144, 152, 156, 162, 180, 184, 192, 204, 216, 225, 228, 232, 240, 248, 252, 256, 276, 288, 296, 324, 328, 344, 348, 360, 372, 376, 384, 396, 424, 432, 441, 444, 448, 450]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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