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.

A296062 Base-2 logarithm of the number of different shapes of balanced binary trees with n nodes (A110316).

Table of values

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

List of values

[0, 0, 1, 0, 2, 2, 2, 0, 3, 4, 5, 4, 5, 4, 3, 0, 4, 6, 8, 8, 10, 10, 10, 8, 10, 10, 10, 8, 8, 6, 4, 0, 5, 8, 11, 12, 15, 16, 17, 16, 19, 20, 21, 20, 21, 20, 19, 16, 19, 20, 21, 20, 21, 20, 19, 16, 17, 16, 15, 12, 11, 8, 5, 0, 6, 10, 14, 16, 20, 22, 24, 24, 28]

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