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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.

A345401 a(n) is the unique odd number h such that BCR(h*2^m-1) = 2n (except for BCR(0) = 1) where BCR is bit complement and reverse per A036044.

Table of values

n a(n)
0 1
1 3
2 7
3 5
4 15
5 11
6 13
7 9
8 31
9 23
10 27
11 19
12 29
13 21
14 25
15 17
16 63
17 47
18 55
19 39
20 59
21 43
22 51
23 35
24 61
25 45
26 53
27 37
28 57
29 41
30 49
31 33
32 127
33 95
34 111
35 79
36 119
37 87
38 103
39 71
40 123
41 91
42 107
43 75
44 115
45 83
46 99
47 67
48 125
49 93
50 109
51 77
52 117
53 85
54 101
55 69
56 121
57 89
58 105
59 73
60 113
61 81
62 97
63 65
64 255
65 191

List of values

[1, 3, 7, 5, 15, 11, 13, 9, 31, 23, 27, 19, 29, 21, 25, 17, 63, 47, 55, 39, 59, 43, 51, 35, 61, 45, 53, 37, 57, 41, 49, 33, 127, 95, 111, 79, 119, 87, 103, 71, 123, 91, 107, 75, 115, 83, 99, 67, 125, 93, 109, 77, 117, 85, 101, 69, 121, 89, 105, 73, 113, 81, 97, 65, 255, 191]

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

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