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.

A082856 Recursive binary interleaving code for rooted plane binary trees, as ordered by A014486.

Table of values

n a(n)
0 0
1 1
2 3
3 5
4 11
5 35
6 7
7 21
8 69
9 139
10 2059
11 43
12 547
13 8227
14 15
15 39
16 23
17 277
18 4117
19 71
20 85
21 1093
22 16453
23 32907
24 8388747
25 2187
26 526347
27 134219787
28 171
29 2091
30 555
31 131619
32 33554979
33 8235
34 8739
35 2105379
36 536879139
37 143
38 2063
39 47
40 551
41 8231
42 31
43 55
44 279
45 65813
46 16777493
47 4119
48 4373
49 1052693
50 268439573
51 79
52 103
53 87
54 341
55 4181
56 1095
57 1109

List of values

[0, 1, 3, 5, 11, 35, 7, 21, 69, 139, 2059, 43, 547, 8227, 15, 39, 23, 277, 4117, 71, 85, 1093, 16453, 32907, 8388747, 2187, 526347, 134219787, 171, 2091, 555, 131619, 33554979, 8235, 8739, 2105379, 536879139, 143, 2063, 47, 551, 8231, 31, 55, 279, 65813, 16777493, 4119, 4373, 1052693, 268439573, 79, 103, 87, 341, 4181, 1095, 1109]