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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.

A050292 a(2n) = 2n - a(n), a(2n+1) = 2n + 1 - a(n) (for n >= 0).

Table of values

n a(n)
0 0
1 1
2 1
3 2
4 3
5 4
6 4
7 5
8 5
9 6
10 6
11 7
12 8
13 9
14 9
15 10
16 11
17 12
18 12
19 13
20 14
21 15
22 15
23 16
24 16
25 17
26 17
27 18
28 19
29 20
30 20
31 21
32 21
33 22
34 22
35 23
36 24
37 25
38 25
39 26
40 26
41 27
42 27
43 28
44 29
45 30
46 30
47 31
48 32
49 33
50 33
51 34
52 35
53 36
54 36
55 37
56 37
57 38
58 38
59 39
60 40
61 41
62 41
63 42
64 43
65 44
66 44
67 45
68 46
69 47
70 47
71 48
72 48
73 49
74 49
75 50
76 51
77 52
78 52
79 53
80 54

List of values

[0, 1, 1, 2, 3, 4, 4, 5, 5, 6, 6, 7, 8, 9, 9, 10, 11, 12, 12, 13, 14, 15, 15, 16, 16, 17, 17, 18, 19, 20, 20, 21, 21, 22, 22, 23, 24, 25, 25, 26, 26, 27, 27, 28, 29, 30, 30, 31, 32, 33, 33, 34, 35, 36, 36, 37, 37, 38, 38, 39, 40, 41, 41, 42, 43, 44, 44, 45, 46, 47, 47, 48, 48, 49, 49, 50, 51, 52, 52, 53, 54]

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