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.

A050411 Analog of 3x+1 function.

Table of values

n a(n)
1 4
2 1
3 7
4 9
5 2
6 12
7 3
8 15
9 17
10 4
11 20
12 22
13 5
14 25
15 6
16 28
17 30
18 7
19 33
20 8
21 36
22 38
23 9
24 41
25 43
26 10
27 46
28 11
29 49
30 51
31 12
32 54
33 56
34 13
35 59
36 14
37 62
38 64
39 15
40 67
41 16
42 70
43 72
44 17
45 75
46 77
47 18
48 80
49 19
50 83
51 85
52 20
53 88
54 21
55 91
56 93
57 22
58 96
59 98
60 23
61 101
62 24
63 104
64 106
65 25
66 109
67 111
68 26
69 114
70 27
71 117
72 119
73 28
74 122
75 29
76 125

List of values

[4, 1, 7, 9, 2, 12, 3, 15, 17, 4, 20, 22, 5, 25, 6, 28, 30, 7, 33, 8, 36, 38, 9, 41, 43, 10, 46, 11, 49, 51, 12, 54, 56, 13, 59, 14, 62, 64, 15, 67, 16, 70, 72, 17, 75, 77, 18, 80, 19, 83, 85, 20, 88, 21, 91, 93, 22, 96, 98, 23, 101, 24, 104, 106, 25, 109, 111, 26, 114, 27, 117, 119, 28, 122, 29, 125]