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.

A067612 Numbers n such that sigma(n) = 3*phi(sigma(n)).

Table of values

n a(n)
1 5
2 6
3 10
4 11
5 14
6 15
7 17
8 22
9 23
10 30
11 33
12 34
13 35
14 42
15 46
16 47
17 51
18 53
19 55
20 62
21 66
22 69
23 70
24 71
25 77
26 85
27 94
28 102
29 105
30 106
31 107
32 110
33 115
34 119
35 138
36 141
37 142
38 154
39 155
40 159
41 161
42 165
43 170
44 186
45 187
46 191
47 210
48 213
49 214
50 230
51 231
52 235
53 238
54 253
55 254
56 255
57 265
58 282
59 310

List of values

[5, 6, 10, 11, 14, 15, 17, 22, 23, 30, 33, 34, 35, 42, 46, 47, 51, 53, 55, 62, 66, 69, 70, 71, 77, 85, 94, 102, 105, 106, 107, 110, 115, 119, 138, 141, 142, 154, 155, 159, 161, 165, 170, 186, 187, 191, 210, 213, 214, 230, 231, 235, 238, 253, 254, 255, 265, 282, 310]