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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.

A130957 Signature permutation of a Catalan automorphism: row 15 of A130402.

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 18
10 17
11 20
12 21
13 22
14 16
15 19
16 15
17 12
18 13
19 14
20 11
21 9
22 10
23 50
24 49
25 48
26 45
27 46
28 55
29 54
30 57
31 59
32 58
33 61
34 62
35 64
36 63
37 47
38 44
39 53
40 56
41 60
42 43
43 52
44 40
45 31
46 32
47 41
48 34
49 35
50 36
51 42
52 51
53 39
54 30
55 33
56 37
57 28
58 23
59 24
60 38
61 29
62 25
63 26
64 27
65 148
66 147
67 146
68 142
69 143

List of values

[0, 1, 3, 2, 7, 8, 6, 5, 4, 18, 17, 20, 21, 22, 16, 19, 15, 12, 13, 14, 11, 9, 10, 50, 49, 48, 45, 46, 55, 54, 57, 59, 58, 61, 62, 64, 63, 47, 44, 53, 56, 60, 43, 52, 40, 31, 32, 41, 34, 35, 36, 42, 51, 39, 30, 33, 37, 28, 23, 24, 38, 29, 25, 26, 27, 148, 147, 146, 142, 143]

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

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