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.

A272027 a(n) = 3*sigma(n).

Table of values

n a(n)
1 3
2 9
3 12
4 21
5 18
6 36
7 24
8 45
9 39
10 54
11 36
12 84
13 42
14 72
15 72
16 93
17 54
18 117
19 60
20 126
21 96
22 108
23 72
24 180
25 93
26 126
27 120
28 168
29 90
30 216
31 96
32 189
33 144
34 162
35 144
36 273
37 114
38 180
39 168
40 270
41 126
42 288
43 132
44 252
45 234
46 216
47 144
48 372
49 171
50 279
51 216
52 294
53 162
54 360
55 216
56 360
57 240
58 270
59 180
60 504
61 186
62 288
63 312
64 381

List of values

[3, 9, 12, 21, 18, 36, 24, 45, 39, 54, 36, 84, 42, 72, 72, 93, 54, 117, 60, 126, 96, 108, 72, 180, 93, 126, 120, 168, 90, 216, 96, 189, 144, 162, 144, 273, 114, 180, 168, 270, 126, 288, 132, 252, 234, 216, 144, 372, 171, 279, 216, 294, 162, 360, 216, 360, 240, 270, 180, 504, 186, 288, 312, 381]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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