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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.

A127378 Signature-permutation of a Catalan automorphism, inverse of A127377.

Table of values

n a(n)
0 0
1 1
2 3
3 2
4 7
5 8
6 6
7 5
8 4
9 17
10 18
11 20
12 22
13 21
14 14
15 15
16 19
17 12
18 13
19 16
20 11
21 10
22 9
23 45
24 46
25 48
26 50
27 49
28 54
29 55
30 61
31 63
32 64
33 57
34 62
35 59
36 58
37 37
38 38
39 39
40 41
41 40
42 51
43 52
44 56
45 31
46 32
47 60
48 34
49 36
50 35
51 42
52 43
53 53
54 28
55 29
56 47
57 33
58 26
59 27
60 44
61 30
62 25
63 24
64 23
65 129
66 130
67 132
68 134
69 133

List of values

[0, 1, 3, 2, 7, 8, 6, 5, 4, 17, 18, 20, 22, 21, 14, 15, 19, 12, 13, 16, 11, 10, 9, 45, 46, 48, 50, 49, 54, 55, 61, 63, 64, 57, 62, 59, 58, 37, 38, 39, 41, 40, 51, 52, 56, 31, 32, 60, 34, 36, 35, 42, 43, 53, 28, 29, 47, 33, 26, 27, 44, 30, 25, 24, 23, 129, 130, 132, 134, 133]

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

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