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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.

A181099 Exchange rightmost two ternary digits of n > 1; a(0)=0, a(1)=3.

Table of values

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

List of values

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

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

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