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.

A072797 Self-inverse permutation of natural numbers induced by a Catalan bijection acting on binary trees as encoded by A014486. See comments and examples for details.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 5
6 7
7 6
8 8
9 9
10 10
11 11
12 12
13 13
14 17
15 18
16 16
17 14
18 15
19 20
20 19
21 21
22 22
23 23
24 24
25 25
26 26
27 27
28 28
29 29
30 30
31 31
32 32
33 33
34 34
35 35
36 36
37 45
38 46
39 48
40 49
41 50
42 44
43 47
44 42
45 37
46 38
47 43
48 39
49 40
50 41
51 54
52 55
53 53
54 51
55 52
56 57
57 56
58 58
59 59
60 61
61 60
62 62
63 63
64 64
65 65
66 66
67 67
68 68
69 69
70 70
71 71

List of values

[0, 1, 2, 3, 4, 5, 7, 6, 8, 9, 10, 11, 12, 13, 17, 18, 16, 14, 15, 20, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 45, 46, 48, 49, 50, 44, 47, 42, 37, 38, 43, 39, 40, 41, 54, 55, 53, 51, 52, 57, 56, 58, 59, 61, 60, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71]

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

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