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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.

A123050 Conjectured number of ordered trees on n edges for which the conjugate and transpose commute.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 2
5 4
6 4
7 4
8 6
9 6
10 6
11 8
12 8
13 8
14 12
15 12
16 12
17 14
18 16
19 16
20 18
21 18
22 22
23 24
24 24
25 24
26 30
27 30
28 30
29 32
30 38
31 38
32 40
33 40
34 46
35 48
36 48
37 48
38 58
39 58
40 58
41 60
42 68
43 68
44 70
45 70
46 80
47 82
48 82
49 82
50 94
51 94
52 94
53 96
54 108
55 108
56 110
57 110
58 122
59 124
60 124
61 124
62 140
63 140
64 140
65 142
66 156
67 156
68 158

List of values

[1, 1, 2, 2, 2, 4, 4, 4, 6, 6, 6, 8, 8, 8, 12, 12, 12, 14, 16, 16, 18, 18, 22, 24, 24, 24, 30, 30, 30, 32, 38, 38, 40, 40, 46, 48, 48, 48, 58, 58, 58, 60, 68, 68, 70, 70, 80, 82, 82, 82, 94, 94, 94, 96, 108, 108, 110, 110, 122, 124, 124, 124, 140, 140, 140, 142, 156, 156, 158]

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

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