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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.

A130953 Signature permutation of a Catalan automorphism: row 13 of A130402.

Table of values

n a(n)
0 0
1 1
2 3
3 2
4 7
5 8
6 5
7 4
8 6
9 17
10 20
11 21
12 22
13 18
14 13
15 12
16 11
17 9
18 10
19 15
20 14
21 19
22 16
23 45
24 54
25 61
26 57
27 46
28 62
29 58
30 59
31 64
32 63
33 50
34 49
35 55
36 48
37 35
38 36
39 32
40 31
41 34
42 33
43 30
44 28
45 23
46 24
47 29
48 25
49 26
50 27
51 41
52 40
53 39
54 37
55 38
56 52
57 51
58 60
59 56
60 43
61 42
62 47
63 44
64 53
65 129
66 157
67 166
68 180
69 130

List of values

[0, 1, 3, 2, 7, 8, 5, 4, 6, 17, 20, 21, 22, 18, 13, 12, 11, 9, 10, 15, 14, 19, 16, 45, 54, 61, 57, 46, 62, 58, 59, 64, 63, 50, 49, 55, 48, 35, 36, 32, 31, 34, 33, 30, 28, 23, 24, 29, 25, 26, 27, 41, 40, 39, 37, 38, 52, 51, 60, 56, 43, 42, 47, 44, 53, 129, 157, 166, 180, 130]

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

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