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.

A057163 Signature-permutation of a Catalan automorphism: Reflect a rooted plane binary tree; Deutsch's 1998 involution on Dyck paths.

Table of values

n a(n)
0 0
1 1
2 3
3 2
4 8
5 7
6 6
7 5
8 4
9 22
10 21
11 20
12 18
13 17
14 19
15 16
16 15
17 13
18 12
19 14
20 11
21 10
22 9
23 64
24 63
25 62
26 59
27 58
28 61
29 57
30 55
31 50
32 49
33 54
34 48
35 46
36 45
37 60
38 56
39 53
40 47
41 44
42 52
43 43
44 41
45 36
46 35
47 40
48 34
49 32
50 31
51 51
52 42
53 39
54 33
55 30
56 38
57 29
58 27
59 26
60 37
61 28
62 25
63 24
64 23
65 196
66 195
67 194
68 190
69 189

List of values

[0, 1, 3, 2, 8, 7, 6, 5, 4, 22, 21, 20, 18, 17, 19, 16, 15, 13, 12, 14, 11, 10, 9, 64, 63, 62, 59, 58, 61, 57, 55, 50, 49, 54, 48, 46, 45, 60, 56, 53, 47, 44, 52, 43, 41, 36, 35, 40, 34, 32, 31, 51, 42, 39, 33, 30, 38, 29, 27, 26, 37, 28, 25, 24, 23, 196, 195, 194, 190, 189]