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.

A015767 Numbers k such that phi(k) | sigma_9(k).

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 12
6 14
7 15
8 30
9 35
10 38
11 42
12 54
13 56
14 70
15 78
16 87
17 95
18 105
19 114
20 126
21 135
22 140
23 147
24 168
25 174
26 182
27 190
28 209
29 210
30 215
31 216
32 222
33 248
34 258
35 264
36 266
37 270
38 285
39 294
40 297
41 315
42 342
43 357
44 378
45 418
46 420
47 430
48 447
49 455
50 456
51 494
52 518
53 540
54 546

List of values

[1, 2, 3, 6, 12, 14, 15, 30, 35, 38, 42, 54, 56, 70, 78, 87, 95, 105, 114, 126, 135, 140, 147, 168, 174, 182, 190, 209, 210, 215, 216, 222, 248, 258, 264, 266, 270, 285, 294, 297, 315, 342, 357, 378, 418, 420, 430, 447, 455, 456, 494, 518, 540, 546]