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.

A334943 a(1) = 1, a(n) = a(n-1) / gcd(a(n-1),n) if this gcd is > 1, else a(n) = 3*a(n-1) + n + 1.

Table of values

n a(n)
1 1
2 6
3 2
4 1
5 9
6 3
7 17
8 60
9 20
10 2
11 18
12 3
13 23
14 84
15 28
16 7
17 39
18 13
19 59
20 198
21 66
22 3
23 33
24 11
25 59
26 204
27 68
28 17
29 81
30 27
31 113
32 372
33 124
34 62
35 222
36 37
37 1
38 42
39 14
40 7
41 63
42 3
43 53
44 204
45 68
46 34
47 150
48 25
49 125
50 5
51 67
52 254
53 816
54 136
55 464
56 58
57 232
58 4
59 72
60 6
61 80
62 40
63 184
64 23
65 135

List of values

[1, 6, 2, 1, 9, 3, 17, 60, 20, 2, 18, 3, 23, 84, 28, 7, 39, 13, 59, 198, 66, 3, 33, 11, 59, 204, 68, 17, 81, 27, 113, 372, 124, 62, 222, 37, 1, 42, 14, 7, 63, 3, 53, 204, 68, 34, 150, 25, 125, 5, 67, 254, 816, 136, 464, 58, 232, 4, 72, 6, 80, 40, 184, 23, 135]

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

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