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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.

A162967 Values taken by the sigma(sigma(n)) function A051027, with repetition, sorted into ascending order.

Table of values

n a(n)
1 1
2 4
3 7
4 8
5 12
6 14
7 15
8 24
9 24
10 28
11 28
12 32
13 32
14 39
15 39
16 42
17 56
18 56
19 60
20 60
21 60
22 60
23 63
24 63
25 72
26 80
27 84
28 90
29 91
30 96
31 96
32 96
33 96
34 104
35 112
36 114
37 120
38 120
39 120
40 120
41 124
42 124
43 124
44 126
45 128
46 128
47 133
48 160
49 168
50 168
51 168
52 168
53 171
54 171
55 186
56 186
57 195
58 195
59 195
60 195
61 195

List of values

[1, 4, 7, 8, 12, 14, 15, 24, 24, 28, 28, 32, 32, 39, 39, 42, 56, 56, 60, 60, 60, 60, 63, 63, 72, 80, 84, 90, 91, 96, 96, 96, 96, 104, 112, 114, 120, 120, 120, 120, 124, 124, 124, 126, 128, 128, 133, 160, 168, 168, 168, 168, 171, 171, 186, 186, 195, 195, 195, 195, 195]

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

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