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.

A202019 Triangle by rows, related to the numbers of binary trees of height less than n, derived from the Mandelbrot set.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 1
9 4
10 6
11 6
12 5
13 2
14 1
15 1
16 1
17 8
18 28
19 60
20 94
21 116
22 114
23 94
24 69
25 44
26 26
27 14
28 5
29 2
30 1
31 1
32 1
33 16
34 120
35 568
36 1932
37 5096
38 10948
39 19788
40 30782
41 41944
42 50788
43 55308
44 54746
45 49700
46 41658
47 32398
48 23461
49 15864
50 10068
51 6036
52 3434
53 1860
54 958
55 470
56 221
57 100
58 42
59 14
60 5
61 2
62 1
63 1

List of values

[1, 1, 1, 1, 2, 1, 1, 1, 4, 6, 6, 5, 2, 1, 1, 1, 8, 28, 60, 94, 116, 114, 94, 69, 44, 26, 14, 5, 2, 1, 1, 1, 16, 120, 568, 1932, 5096, 10948, 19788, 30782, 41944, 50788, 55308, 54746, 49700, 41658, 32398, 23461, 15864, 10068, 6036, 3434, 1860, 958, 470, 221, 100, 42, 14, 5, 2, 1, 1]