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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.

A145341 Convert 2n-1 to binary. Reverse its digits. Convert back to decimal to get a(n).

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 9
6 13
7 11
8 15
9 17
10 25
11 21
12 29
13 19
14 27
15 23
16 31
17 33
18 49
19 41
20 57
21 37
22 53
23 45
24 61
25 35
26 51
27 43
28 59
29 39
30 55
31 47
32 63
33 65
34 97
35 81
36 113
37 73
38 105
39 89
40 121
41 69
42 101
43 85
44 117
45 77
46 109
47 93
48 125
49 67
50 99
51 83
52 115
53 75
54 107
55 91
56 123
57 71
58 103
59 87
60 119
61 79
62 111
63 95
64 127
65 129
66 193

List of values

[1, 3, 5, 7, 9, 13, 11, 15, 17, 25, 21, 29, 19, 27, 23, 31, 33, 49, 41, 57, 37, 53, 45, 61, 35, 51, 43, 59, 39, 55, 47, 63, 65, 97, 81, 113, 73, 105, 89, 121, 69, 101, 85, 117, 77, 109, 93, 125, 67, 99, 83, 115, 75, 107, 91, 123, 71, 103, 87, 119, 79, 111, 95, 127, 129, 193]

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

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