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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.

A186101 a(n) = 2*n / 3 if n divisible by 3, a(n) = n otherwise.

Table of values

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

List of values

[0, 1, 2, 2, 4, 5, 4, 7, 8, 6, 10, 11, 8, 13, 14, 10, 16, 17, 12, 19, 20, 14, 22, 23, 16, 25, 26, 18, 28, 29, 20, 31, 32, 22, 34, 35, 24, 37, 38, 26, 40, 41, 28, 43, 44, 30, 46, 47, 32, 49, 50, 34, 52, 53, 36, 55, 56, 38, 58, 59, 40, 61, 62, 42, 64, 65, 44, 67, 68, 46, 70, 71, 48]

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

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