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.

A015858 Numbers k such that phi(k) | sigma(k + 11).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 8
7 9
8 10
9 12
10 13
11 16
12 18
13 19
14 20
15 24
16 35
17 36
18 45
19 49
20 51
21 74
22 77
23 79
24 84
25 91
26 104
27 108
28 113
29 124
30 129
31 130
32 144
33 148
34 180
35 198
36 219
37 224
38 279
39 286
40 308
41 380
42 407
43 434
44 435
45 459
46 490
47 584
48 609
49 610
50 616
51 624
52 627
53 628
54 640
55 644
56 679
57 779

List of values

[1, 2, 3, 4, 6, 8, 9, 10, 12, 13, 16, 18, 19, 20, 24, 35, 36, 45, 49, 51, 74, 77, 79, 84, 91, 104, 108, 113, 124, 129, 130, 144, 148, 180, 198, 219, 224, 279, 286, 308, 380, 407, 434, 435, 459, 490, 584, 609, 610, 616, 624, 627, 628, 640, 644, 679, 779]