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.

A123502 Signature permutation of a Catalan automorphism: first recurse into the left subtree of the right hand side subtree of a binary tree and after that apply *A123498 at the root.

Table of values

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