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.

A068992 Composite numbers k such that Sum_{d|k} sigma(d)/tau(d) is an integer.

Table of values

n a(n)
1 10
2 15
3 21
4 26
5 30
6 33
7 34
8 35
9 39
10 49
11 51
12 55
13 57
14 58
15 60
16 65
17 69
18 70
19 74
20 75
21 77
22 78
23 82
24 85
25 87
26 91
27 93
28 95
29 98
30 102
31 105
32 106
33 110
34 111
35 115
36 119
37 120
38 122
39 123
40 129
41 130
42 133
43 141
44 143
45 145
46 146
47 147
48 155
49 156
50 159
51 161
52 165
53 169
54 170
55 174
56 177
57 178
58 182
59 183

List of values

[10, 15, 21, 26, 30, 33, 34, 35, 39, 49, 51, 55, 57, 58, 60, 65, 69, 70, 74, 75, 77, 78, 82, 85, 87, 91, 93, 95, 98, 102, 105, 106, 110, 111, 115, 119, 120, 122, 123, 129, 130, 133, 141, 143, 145, 146, 147, 155, 156, 159, 161, 165, 169, 170, 174, 177, 178, 182, 183]