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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.

A134191 Impure numbers in the Collatz (3x+1) iteration.

Table of values

n a(n)
1 2
2 4
3 5
4 8
5 10
6 11
7 13
8 14
9 16
10 17
11 20
12 22
13 23
14 26
15 28
16 29
17 31
18 32
19 34
20 35
21 38
22 40
23 41
24 44
25 46
26 47
27 49
28 50
29 52
30 53
31 56
32 58
33 59
34 61
35 62
36 64
37 65
38 67
39 68
40 70
41 71
42 74
43 76
44 77
45 80
46 82
47 83
48 85
49 86
50 88
51 89
52 91
53 92
54 94
55 95
56 98
57 100
58 101
59 103
60 104
61 106
62 107
63 110
64 112
65 113
66 116
67 118

List of values

[2, 4, 5, 8, 10, 11, 13, 14, 16, 17, 20, 22, 23, 26, 28, 29, 31, 32, 34, 35, 38, 40, 41, 44, 46, 47, 49, 50, 52, 53, 56, 58, 59, 61, 62, 64, 65, 67, 68, 70, 71, 74, 76, 77, 80, 82, 83, 85, 86, 88, 89, 91, 92, 94, 95, 98, 100, 101, 103, 104, 106, 107, 110, 112, 113, 116, 118]

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

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