cp's OEIS Frontend

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.

A089861 Permutation of natural numbers induced by Catalan Automorphism *A089861 acting on the binary trees/parenthesizations encoded by A014486/A063171.

Table of values

n a(n)
0 0
1 1
2 3
3 2
4 7
5 8
6 4
7 6
8 5
9 17
10 18
11 20
12 21
13 22
14 9
15 10
16 14
17 16
18 19
19 11
20 15
21 12
22 13
23 45
24 46
25 48
26 49
27 50
28 54
29 55
30 57
31 58
32 59
33 61
34 62
35 63
36 64
37 23
38 24
39 25
40 26
41 27
42 37
43 38
44 42
45 44
46 47
47 51
48 53
49 56
50 60
51 28
52 29
53 39
54 43
55 52
56 30
57 40
58 31
59 32
60 33
61 41
62 34
63 35
64 36
65 129
66 130
67 132
68 133
69 134
70 138

List of values

[0, 1, 3, 2, 7, 8, 4, 6, 5, 17, 18, 20, 21, 22, 9, 10, 14, 16, 19, 11, 15, 12, 13, 45, 46, 48, 49, 50, 54, 55, 57, 58, 59, 61, 62, 63, 64, 23, 24, 25, 26, 27, 37, 38, 42, 44, 47, 51, 53, 56, 60, 28, 29, 39, 43, 52, 30, 40, 31, 32, 33, 41, 34, 35, 36, 129, 130, 132, 133, 134, 138]

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

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