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.

A015856 Numbers k such that phi(k) | sigma(k + 10).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 7
7 12
8 13
9 14
10 20
11 28
12 29
13 32
14 36
15 44
16 45
17 52
18 53
19 56
20 60
21 66
22 77
23 84
24 86
25 104
26 105
27 108
28 110
29 123
30 130
31 144
32 172
33 221
34 228
35 238
36 270
37 287
38 312
39 342
40 366
41 380
42 385
43 396
44 441
45 468
46 558
47 584
48 585
49 588
50 644
51 672
52 750
53 754
54 760
55 854
56 864

List of values

[1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 28, 29, 32, 36, 44, 45, 52, 53, 56, 60, 66, 77, 84, 86, 104, 105, 108, 110, 123, 130, 144, 172, 221, 228, 238, 270, 287, 312, 342, 366, 380, 385, 396, 441, 468, 558, 584, 585, 588, 644, 672, 750, 754, 760, 854, 864]