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.

A355911 Number of alt-unary-binary trees with n nodes.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 2
6 4
7 4
8 4
9 4
10 6
11 8
12 8
13 8
14 8
15 8
16 12
17 12
18 14
19 16
20 16
21 16
22 16
23 16
24 16
25 24
26 24
27 24
28 26
29 28
30 28
31 32
32 32
33 32
34 32
35 32
36 32
37 32
38 40

List of values

[1, 1, 2, 2, 2, 4, 4, 4, 4, 6, 8, 8, 8, 8, 8, 12, 12, 14, 16, 16, 16, 16, 16, 16, 24, 24, 24, 26, 28, 28, 32, 32, 32, 32, 32, 32, 32, 40]