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.

A062052 Numbers with exactly 2 odd integers in their Collatz (or 3x+1) trajectory.

Table of values

n a(n)
1 5
2 10
3 20
4 21
5 40
6 42
7 80
8 84
9 85
10 160
11 168
12 170
13 320
14 336
15 340
16 341
17 640
18 672
19 680
20 682
21 1280
22 1344
23 1360
24 1364
25 1365
26 2560
27 2688
28 2720
29 2728
30 2730
31 5120
32 5376
33 5440
34 5456
35 5460
36 5461
37 10240
38 10752
39 10880
40 10912
41 10920
42 10922
43 20480
44 21504
45 21760
46 21824

List of values

[5, 10, 20, 21, 40, 42, 80, 84, 85, 160, 168, 170, 320, 336, 340, 341, 640, 672, 680, 682, 1280, 1344, 1360, 1364, 1365, 2560, 2688, 2720, 2728, 2730, 5120, 5376, 5440, 5456, 5460, 5461, 10240, 10752, 10880, 10912, 10920, 10922, 20480, 21504, 21760, 21824]

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

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