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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.

A186731 a(3n) = 2n, a(3n+1) = n, a(3n+2) = n+1.

Table of values

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

List of values

[0, 0, 1, 2, 1, 2, 4, 2, 3, 6, 3, 4, 8, 4, 5, 10, 5, 6, 12, 6, 7, 14, 7, 8, 16, 8, 9, 18, 9, 10, 20, 10, 11, 22, 11, 12, 24, 12, 13, 26, 13, 14, 28, 14, 15, 30, 15, 16, 32, 16, 17, 34, 17, 18, 36, 18, 19, 38, 19, 20, 40, 20, 21, 42, 21, 22, 44, 22, 23, 46, 23, 24, 48]

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