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.

A069164 Numbers k such that k*Sum_{d|k} 1/tau(d) is an integer.

Table of values

n a(n)
1 1
2 2
3 12
4 20
5 24
6 28
7 36
8 40
9 44
10 52
11 56
12 68
13 72
14 76
15 80
16 88
17 92
18 104
19 116
20 124
21 136
22 148
23 152
24 160
25 164
26 172
27 184
28 188
29 212
30 232
31 236
32 240
33 244
34 248
35 268
36 284
37 292
38 296
39 316
40 328
41 332
42 344
43 356
44 376
45 388
46 404
47 412
48 424
49 428
50 432
51 436
52 452
53 472
54 480
55 488
56 508

List of values

[1, 2, 12, 20, 24, 28, 36, 40, 44, 52, 56, 68, 72, 76, 80, 88, 92, 104, 116, 124, 136, 148, 152, 160, 164, 172, 184, 188, 212, 232, 236, 240, 244, 248, 268, 284, 292, 296, 316, 328, 332, 344, 356, 376, 388, 404, 412, 424, 428, 432, 436, 452, 472, 480, 488, 508]