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.

A015853 Numbers k such that phi(k) | sigma(k + 9).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 10
8 12
9 13
10 14
11 21
12 24
13 26
14 30
15 31
16 37
17 42
18 45
19 48
20 50
21 57
22 60
23 68
24 76
25 78
26 96
27 105
28 111
29 133
30 156
31 168
32 175
33 181
34 196
35 200
36 215
37 273
38 286
39 288
40 290
41 310
42 320
43 336
44 350
45 361
46 369
47 381
48 399
49 406
50 420
51 450
52 465
53 543
54 585
55 600
56 612
57 656
58 740

List of values

[1, 2, 3, 4, 5, 6, 10, 12, 13, 14, 21, 24, 26, 30, 31, 37, 42, 45, 48, 50, 57, 60, 68, 76, 78, 96, 105, 111, 133, 156, 168, 175, 181, 196, 200, 215, 273, 286, 288, 290, 310, 320, 336, 350, 361, 369, 381, 399, 406, 420, 450, 465, 543, 585, 600, 612, 656, 740]