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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.

A232503 Largest power of 2 in the Collatz (3x+1) trajectory of n.

Table of values

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

List of values

[1, 2, 16, 4, 16, 16, 16, 8, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 64, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 32, 16, 16, 16, 16, 16, 16, 16, 16, 16, 64, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 64, 16, 16, 16, 16]

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