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.

A153835 The first representative in A014486 for each equivalence class of non-oriented binary tree corresponding to the oriented (plane) binary tree encoded by A014486(n).

Table of values

n a(n)
0 0
1 1
2 2
3 2
4 4
5 4
6 6
7 4
8 4
9 9
10 9
11 11
12 9
13 9
14 14
15 14
16 14
17 9
18 9
19 14
20 11
21 9
22 9
23 23
24 23
25 25
26 23
27 23
28 28
29 28
30 28
31 23
32 23
33 28
34 25
35 23
36 23
37 37
38 37
39 39
40 37
41 37
42 42
43 42
44 37
45 23
46 23
47 37
48 25
49 23
50 23
51 42
52 42
53 39
54 28
55 28
56 37
57 28
58 23
59 23
60 37
61 28
62 25
63 23
64 23
65 65
66 65
67 67
68 65
69 65
70 70
71 70
72 70
73 65

List of values

[0, 1, 2, 2, 4, 4, 6, 4, 4, 9, 9, 11, 9, 9, 14, 14, 14, 9, 9, 14, 11, 9, 9, 23, 23, 25, 23, 23, 28, 28, 28, 23, 23, 28, 25, 23, 23, 37, 37, 39, 37, 37, 42, 42, 37, 23, 23, 37, 25, 23, 23, 42, 42, 39, 28, 28, 37, 28, 23, 23, 37, 28, 25, 23, 23, 65, 65, 67, 65, 65, 70, 70, 70, 65]

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

Content is available under The OEIS End-User License Agreement.