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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.

A317083 a(n) is the first term less than the initial 2n+1 in the reduced Collatz trajectory.

Table of values

n a(n)
0 1
1 1
2 1
3 5
4 7
5 5
6 5
7 5
8 13
9 11
10 1
11 5
12 19
13 23
14 11
15 23
16 25
17 5
18 7
19 19
20 31
21 37
22 17
23 23
24 37
25 29
26 5
27 47
28 43
29 19
30 23
31 61
32 49
33 19
34 13
35 61
36 55
37 1
38 29
39 19
40 61
41 47
42 1
43 37
44 67
45 61
46 35
47 91
48 73
49 7
50 19
51 61
52 79
53 91
54 41
55 61
56 85
57 65
58 11
59 101
60 91
61 59
62 47
63 77
64 97
65 37
66 25
67 43
68 103

List of values

[1, 1, 1, 5, 7, 5, 5, 5, 13, 11, 1, 5, 19, 23, 11, 23, 25, 5, 7, 19, 31, 37, 17, 23, 37, 29, 5, 47, 43, 19, 23, 61, 49, 19, 13, 61, 55, 1, 29, 19, 61, 47, 1, 37, 67, 61, 35, 91, 73, 7, 19, 61, 79, 91, 41, 61, 85, 65, 11, 101, 91, 59, 47, 77, 97, 37, 25, 43, 103]

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

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