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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.

A130396 Signature permutation of a Catalan automorphism: row 19 of A130401.

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 22
12 21
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 57
26 61
27 46
28 59
29 63
30 64
31 58
32 62
33 49
34 50
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 56
59 60
60 43
61 42
62 47
63 44
64 53
65 129
66 157
67 180
68 166
69 130

List of values

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

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

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