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.

A088975 Breadth-first traversal of the Collatz tree, with the odd child of each node traversed prior to its even child. If the Collatz 3n+1 conjecture is true, this is a permutation of all positive integers.

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 16
5 5
6 32
7 10
8 64
9 3
10 20
11 21
12 128
13 6
14 40
15 42
16 256
17 12
18 13
19 80
20 84
21 85
22 512
23 24
24 26
25 160
26 168
27 170
28 1024
29 48
30 52
31 53
32 320
33 336
34 340
35 341
36 2048
37 96
38 17
39 104
40 106
41 640
42 672
43 113
44 680
45 682
46 4096
47 192
48 34
49 208
50 35
51 212
52 213
53 1280
54 1344
55 226
56 1360
57 227
58 1364

List of values

[1, 2, 4, 8, 16, 5, 32, 10, 64, 3, 20, 21, 128, 6, 40, 42, 256, 12, 13, 80, 84, 85, 512, 24, 26, 160, 168, 170, 1024, 48, 52, 53, 320, 336, 340, 341, 2048, 96, 17, 104, 106, 640, 672, 113, 680, 682, 4096, 192, 34, 208, 35, 212, 213, 1280, 1344, 226, 1360, 227, 1364]