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.

A251561 A permutation of the natural numbers: interchange p and 2p for every prime p.

Table of values

n a(n)
1 1
2 4
3 6
4 2
5 10
6 3
7 14
8 8
9 9
10 5
11 22
12 12
13 26
14 7
15 15
16 16
17 34
18 18
19 38
20 20
21 21
22 11
23 46
24 24
25 25
26 13
27 27
28 28
29 58
30 30
31 62
32 32
33 33
34 17
35 35
36 36
37 74
38 19
39 39
40 40
41 82
42 42
43 86
44 44
45 45
46 23
47 94
48 48
49 49
50 50
51 51
52 52
53 106
54 54
55 55
56 56
57 57
58 29
59 118
60 60
61 122
62 31
63 63
64 64
65 65
66 66

List of values

[1, 4, 6, 2, 10, 3, 14, 8, 9, 5, 22, 12, 26, 7, 15, 16, 34, 18, 38, 20, 21, 11, 46, 24, 25, 13, 27, 28, 58, 30, 62, 32, 33, 17, 35, 36, 74, 19, 39, 40, 82, 42, 86, 44, 45, 23, 94, 48, 49, 50, 51, 52, 106, 54, 55, 56, 57, 29, 118, 60, 122, 31, 63, 64, 65, 66]

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

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