cp's OEIS Frontend

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.

A331588 a(n) is the least k such that A331587(n) = k * reverse(k) (where reverse(k) is the binary reversal of k, A030101(k)).

Table of values

n a(n)
1 1
2 3
3 5
4 7
5 9
6 11
7 15
8 17
9 21
10 19
11 23
12 27
13 31
14 33
15 37
16 35
17 45
18 39
19 43
20 51
21 47
22 55
23 63
24 65
25 73
26 69
27 67
28 77
29 85
30 75
31 71
32 83
33 93
34 79
35 99
36 91
37 87
38 107
39 103
40 95
41 111
42 119
43 127
44 129
45 137
46 133
47 153
48 141
49 149
50 131
51 165
52 157
53 139
54 147
55 135
56 173
57 163
58 155
59 143
60 151
61 189

List of values

[1, 3, 5, 7, 9, 11, 15, 17, 21, 19, 23, 27, 31, 33, 37, 35, 45, 39, 43, 51, 47, 55, 63, 65, 73, 69, 67, 77, 85, 75, 71, 83, 93, 79, 99, 91, 87, 107, 103, 95, 111, 119, 127, 129, 137, 133, 153, 141, 149, 131, 165, 157, 139, 147, 135, 173, 163, 155, 143, 151, 189]

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

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