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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.

A075677 Reduced Collatz function R applied to the odd integers: a(n) = R(2n-1), where R(k) = (3k+1)/2^r, with r as large as possible.

Table of values

n a(n)
1 1
2 5
3 1
4 11
5 7
6 17
7 5
8 23
9 13
10 29
11 1
12 35
13 19
14 41
15 11
16 47
17 25
18 53
19 7
20 59
21 31
22 65
23 17
24 71
25 37
26 77
27 5
28 83
29 43
30 89
31 23
32 95
33 49
34 101
35 13
36 107
37 55
38 113
39 29
40 119
41 61
42 125
43 1
44 131
45 67
46 137
47 35
48 143
49 73
50 149
51 19
52 155
53 79
54 161
55 41
56 167
57 85
58 173
59 11
60 179
61 91
62 185
63 47
64 191
65 97
66 197

List of values

[1, 5, 1, 11, 7, 17, 5, 23, 13, 29, 1, 35, 19, 41, 11, 47, 25, 53, 7, 59, 31, 65, 17, 71, 37, 77, 5, 83, 43, 89, 23, 95, 49, 101, 13, 107, 55, 113, 29, 119, 61, 125, 1, 131, 67, 137, 35, 143, 73, 149, 19, 155, 79, 161, 41, 167, 85, 173, 11, 179, 91, 185, 47, 191, 97, 197]

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

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