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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.

A142151 a(n) = OR{k XOR (n-k): 0<=k<=n}.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 6
5 5
6 6
7 7
8 14
9 13
10 14
11 11
12 14
13 13
14 14
15 15
16 30
17 29
18 30
19 27
20 30
21 29
22 30
23 23
24 30
25 29
26 30
27 27
28 30
29 29
30 30
31 31
32 62
33 61
34 62
35 59
36 62
37 61
38 62
39 55
40 62
41 61
42 62
43 59
44 62
45 61
46 62
47 47
48 62
49 61
50 62
51 59
52 62
53 61
54 62
55 55
56 62
57 61
58 62
59 59
60 62
61 61
62 62
63 63
64 126
65 125
66 126
67 123
68 126
69 125

List of values

[0, 1, 2, 3, 6, 5, 6, 7, 14, 13, 14, 11, 14, 13, 14, 15, 30, 29, 30, 27, 30, 29, 30, 23, 30, 29, 30, 27, 30, 29, 30, 31, 62, 61, 62, 59, 62, 61, 62, 55, 62, 61, 62, 59, 62, 61, 62, 47, 62, 61, 62, 59, 62, 61, 62, 55, 62, 61, 62, 59, 62, 61, 62, 63, 126, 125, 126, 123, 126, 125]

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

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