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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.

A106409 n XOR (greatest proper divisor of n).

Table of values

n a(n)
1 0
2 3
3 2
4 6
5 4
6 5
7 6
8 12
9 10
10 15
11 10
12 10
13 12
14 9
15 10
16 24
17 16
18 27
19 18
20 30
21 18
22 29
23 22
24 20
25 28
26 23
27 18
28 18
29 28
30 17
31 30
32 48
33 42
34 51
35 36
36 54
37 36
38 53
39 42
40 60
41 40
42 63
43 42
44 58
45 34
46 57
47 46
48 40
49 54
50 43
51 34
52 46
53 52
54 45
55 60
56 36
57 42
58 39
59 58
60 34
61 60
62 33
63 42
64 96
65 76
66 99
67 66
68 102
69 82
70 101
71 70

List of values

[0, 3, 2, 6, 4, 5, 6, 12, 10, 15, 10, 10, 12, 9, 10, 24, 16, 27, 18, 30, 18, 29, 22, 20, 28, 23, 18, 18, 28, 17, 30, 48, 42, 51, 36, 54, 36, 53, 42, 60, 40, 63, 42, 58, 34, 57, 46, 40, 54, 43, 34, 46, 52, 45, 60, 36, 42, 39, 58, 34, 60, 33, 42, 96, 76, 99, 66, 102, 82, 101, 70]

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

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