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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.

A131009 Signature permutation of a Catalan automorphism: row 12 of A122288.

Table of values

n a(n)
0 0
1 1
2 3
3 2
4 7
5 6
6 8
7 4
8 5
9 17
10 16
11 18
12 15
13 14
14 20
15 19
16 22
17 10
18 13
19 21
20 9
21 11
22 12
23 45
24 44
25 46
26 42
27 43
28 48
29 47
30 50
31 40
32 37
33 49
34 39
35 41
36 38
37 54
38 53
39 55
40 52
41 51
42 61
43 60
44 63
45 25
46 35
47 62
48 26
49 34
50 33
51 57
52 56
53 64
54 27
55 36
56 58
57 23
58 28
59 32
60 59
61 24
62 29
63 30
64 31
65 129
66 128
67 130
68 127
69 126

List of values

[0, 1, 3, 2, 7, 6, 8, 4, 5, 17, 16, 18, 15, 14, 20, 19, 22, 10, 13, 21, 9, 11, 12, 45, 44, 46, 42, 43, 48, 47, 50, 40, 37, 49, 39, 41, 38, 54, 53, 55, 52, 51, 61, 60, 63, 25, 35, 62, 26, 34, 33, 57, 56, 64, 27, 36, 58, 23, 28, 32, 59, 24, 29, 30, 31, 129, 128, 130, 127, 126]

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

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