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.

A073280 Self-inverse permutation of natural numbers induced by the composition of the Catalan bijections A069770 & A057163.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 5
5 4
6 6
7 8
8 7
9 13
10 12
11 11
12 10
13 9
14 15
15 14
16 19
17 22
18 21
19 16
20 20
21 18
22 17
23 36
24 35
25 34
26 32
27 31
28 33
29 30
30 29
31 27
32 26
33 28
34 25
35 24
36 23
37 41
38 40
39 39
40 38
41 37
42 52
43 51
44 60
45 64
46 63
47 56
48 62
49 59
50 58
51 43
52 42
53 53
54 61
55 57
56 47
57 55
58 50
59 49
60 44
61 54
62 48
63 46
64 45
65 106
66 105
67 104
68 101
69 100

List of values

[0, 1, 2, 3, 5, 4, 6, 8, 7, 13, 12, 11, 10, 9, 15, 14, 19, 22, 21, 16, 20, 18, 17, 36, 35, 34, 32, 31, 33, 30, 29, 27, 26, 28, 25, 24, 23, 41, 40, 39, 38, 37, 52, 51, 60, 64, 63, 56, 62, 59, 58, 43, 42, 53, 61, 57, 47, 55, 50, 49, 44, 54, 48, 46, 45, 106, 105, 104, 101, 100]

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

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