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.

A072636 Permutation of natural numbers induced by reranking plane binary trees given in the standard lexicographic order (A014486) with an "arithmetic global ranking algorithm", using packA054238tr as the packing bijection N X N -> N.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 5
5 6
6 4
7 9
8 11
9 18
10 21
11 17
12 66
13 70
14 7
15 8
16 10
17 35
18 41
19 12
20 33
21 131
22 139
23 261
24 274
25 258
26 4101
27 4117
28 22
29 65
30 69
31 1030
32 1090
33 81
34 1026
35 16390
36 16454
37 20
38 23
39 19
40 68
41 72
42 13
43 14
44 36
45 521
46 547
47 42
48 515
49 8201
50 8233
51 15
52 16
53 34
54 43
55 129
56 132
57 137
58 2059
59 2179

List of values

[0, 1, 2, 3, 5, 6, 4, 9, 11, 18, 21, 17, 66, 70, 7, 8, 10, 35, 41, 12, 33, 131, 139, 261, 274, 258, 4101, 4117, 22, 65, 69, 1030, 1090, 81, 1026, 16390, 16454, 20, 23, 19, 68, 72, 13, 14, 36, 521, 547, 42, 515, 8201, 8233, 15, 16, 34, 43, 129, 132, 137, 2059, 2179]