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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.

A065168 Permutation t->t-1 of Z, folded to N.

Table of values

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

List of values

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

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