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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.

A125976 Signature-permutation of Kreweras' 1970 involution on Dyck paths.

Table of values

n a(n)
0 0
1 1
2 3
3 2
4 8
5 6
6 5
7 7
8 4
9 22
10 19
11 15
12 20
13 14
14 13
15 11
16 18
17 21
18 16
19 10
20 12
21 17
22 9
23 64
24 60
25 52
26 61
27 51
28 41
29 39
30 55
31 62
32 53
33 38
34 40
35 54
36 37
37 36
38 33
39 29
40 34
41 28
42 50
43 47
44 59
45 63
46 56
47 43
48 48
49 57
50 42
51 27
52 25
53 32
54 35
55 30
56 46
57 49
58 58
59 44
60 24
61 26
62 31
63 45
64 23
65 196
66 191
67 178
68 192
69 177

List of values

[0, 1, 3, 2, 8, 6, 5, 7, 4, 22, 19, 15, 20, 14, 13, 11, 18, 21, 16, 10, 12, 17, 9, 64, 60, 52, 61, 51, 41, 39, 55, 62, 53, 38, 40, 54, 37, 36, 33, 29, 34, 28, 50, 47, 59, 63, 56, 43, 48, 57, 42, 27, 25, 32, 35, 30, 46, 49, 58, 44, 24, 26, 31, 45, 23, 196, 191, 178, 192, 177]

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

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