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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.

A154457 Signature-permutation of a Catalan bijection induced by wreath recursion a=s(b,c), b=s(c,a), c=(c,c), starting from state b.

Table of values

n a(n)
0 0
1 1
2 3
3 2
4 8
5 7
6 6
7 4
8 5
9 21
10 22
11 20
12 18
13 17
14 19
15 16
16 14
17 9
18 10
19 15
20 11
21 12
22 13
23 58
24 59
25 62
26 63
27 64
28 57
29 61
30 55
31 50
32 49
33 54
34 48
35 45
36 46
37 56
38 60
39 53
40 47
41 44
42 51
43 42
44 37
45 23
46 24
47 38
48 25
49 26
50 27
51 52
52 43
53 39
54 28
55 29
56 40
57 30
58 31
59 32
60 41
61 33
62 34
63 35
64 36
65 170
66 171
67 174
68 175
69 176

List of values

[0, 1, 3, 2, 8, 7, 6, 4, 5, 21, 22, 20, 18, 17, 19, 16, 14, 9, 10, 15, 11, 12, 13, 58, 59, 62, 63, 64, 57, 61, 55, 50, 49, 54, 48, 45, 46, 56, 60, 53, 47, 44, 51, 42, 37, 23, 24, 38, 25, 26, 27, 52, 43, 39, 28, 29, 40, 30, 31, 32, 41, 33, 34, 35, 36, 170, 171, 174, 175, 176]

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

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