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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.

A125987 Signature-permutation of the square of Vaillé's 1997 bijection on Dyck paths.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 6
6 7
7 5
8 8
9 9
10 14
11 16
12 11
13 15
14 17
15 20
16 10
17 12
18 19
19 21
20 18
21 13
22 22
23 23
24 37
25 42
26 28
27 39
28 44
29 43
30 25
31 30
32 38
33 40
34 53
35 29
36 52
37 45
38 54
39 57
40 48
41 55
42 24
43 51
44 31
45 26
46 34
47 47
48 33
49 56
50 41
51 58
52 62
53 46
54 49
55 61
56 27
57 35
58 32
59 60
60 63
61 59
62 50
63 36
64 64
65 65
66 107
67 121
68 79
69 112

List of values

[0, 1, 2, 3, 4, 6, 7, 5, 8, 9, 14, 16, 11, 15, 17, 20, 10, 12, 19, 21, 18, 13, 22, 23, 37, 42, 28, 39, 44, 43, 25, 30, 38, 40, 53, 29, 52, 45, 54, 57, 48, 55, 24, 51, 31, 26, 34, 47, 33, 56, 41, 58, 62, 46, 49, 61, 27, 35, 32, 60, 63, 59, 50, 36, 64, 65, 107, 121, 79, 112]

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

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