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.

A221213 Conjectured total number of times that k-n appears in the Collatz (3x+1) sequence of k for k = 1, 2, 3,....

Table of values

n a(n)
1 42
2 42
3 57
4 52
5 46
6 53
7 58
8 57
9 54
10 49
11 56
12 59
13 49
14 62
15 61
16 59
17 69
18 59
19 50
20 54
21 72
22 64
23 65
24 55
25 57
26 54
27 55
28 66
29 61
30 60
31 62
32 61
33 64
34 73
35 62
36 59
37 71
38 63
39 62
40 58
41 68
42 72
43 63
44 59
45 57
46 65
47 70
48 59
49 60
50 59
51 71
52 55
53 64
54 54
55 66
56 75
57 67
58 62
59 64
60 64
61 73
62 68
63 68
64 67
65 58
66 61

List of values

[42, 42, 57, 52, 46, 53, 58, 57, 54, 49, 56, 59, 49, 62, 61, 59, 69, 59, 50, 54, 72, 64, 65, 55, 57, 54, 55, 66, 61, 60, 62, 61, 64, 73, 62, 59, 71, 63, 62, 58, 68, 72, 63, 59, 57, 65, 70, 59, 60, 59, 71, 55, 64, 54, 66, 75, 67, 62, 64, 64, 73, 68, 68, 67, 58, 61]

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

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