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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.

A178910 Binary XOR of divisors of n.

Table of values

n a(n)
1 1
2 3
3 2
4 7
5 4
6 6
7 6
8 15
9 11
10 12
11 10
12 14
13 12
14 10
15 8
16 31
17 16
18 29
19 18
20 28
21 16
22 30
23 22
24 30
25 29
26 20
27 16
28 18
29 28
30 24
31 30
32 63
33 40
34 48
35 32
36 49
37 36
38 54
39 40
40 60
41 40
42 48
43 42
44 54
45 44
46 58
47 46
48 62
49 55
50 39
51 32
52 36
53 52
54 48
55 56
56 34
57 40
58 36
59 58
60 56
61 60
62 34
63 38
64 127
65 72
66 120
67 66
68 112
69 80
70 96
71 70

List of values

[1, 3, 2, 7, 4, 6, 6, 15, 11, 12, 10, 14, 12, 10, 8, 31, 16, 29, 18, 28, 16, 30, 22, 30, 29, 20, 16, 18, 28, 24, 30, 63, 40, 48, 32, 49, 36, 54, 40, 60, 40, 48, 42, 54, 44, 58, 46, 62, 55, 39, 32, 36, 52, 48, 56, 34, 40, 36, 58, 56, 60, 34, 38, 127, 72, 120, 66, 112, 80, 96, 70]

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

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