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.

A375265 a(n) = n/3 if n mod 3 = 0; otherwise a(n) = n/2 if n mod 2 = 0; otherwise a(n) = 3*n + 1.

Table of values

n a(n)
1 4
2 1
3 1
4 2
5 16
6 2
7 22
8 4
9 3
10 5
11 34
12 4
13 40
14 7
15 5
16 8
17 52
18 6
19 58
20 10
21 7
22 11
23 70
24 8
25 76
26 13
27 9
28 14
29 88
30 10
31 94
32 16
33 11
34 17
35 106
36 12
37 112
38 19
39 13
40 20
41 124
42 14
43 130
44 22
45 15
46 23
47 142
48 16
49 148
50 25
51 17
52 26
53 160
54 18
55 166
56 28
57 19
58 29
59 178
60 20
61 184
62 31
63 21
64 32
65 196
66 22
67 202
68 34
69 23

List of values

[4, 1, 1, 2, 16, 2, 22, 4, 3, 5, 34, 4, 40, 7, 5, 8, 52, 6, 58, 10, 7, 11, 70, 8, 76, 13, 9, 14, 88, 10, 94, 16, 11, 17, 106, 12, 112, 19, 13, 20, 124, 14, 130, 22, 15, 23, 142, 16, 148, 25, 17, 26, 160, 18, 166, 28, 19, 29, 178, 20, 184, 31, 21, 32, 196, 22, 202, 34, 23]

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

Content is available under The OEIS End-User License Agreement.