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.

A283827 Irregular triangle read by rows: T(n,k) = number of trees on n nodes with load k, n>=1, 1 <= k <= floor(n/2).

Table of values

n a(n)
1 0
2 1
3 1
4 1
5 1
6 1
7 2
8 1
9 2
10 3
11 1
12 3
13 7
14 1
15 3
16 9
17 10
18 1
19 4
20 12
21 30
22 1
23 4
24 18
25 38
26 45
27 1
28 5
29 21
30 64
31 144
32 1
33 5
34 27
35 91
36 217
37 210

List of values

[0, 1, 1, 1, 1, 1, 2, 1, 2, 3, 1, 3, 7, 1, 3, 9, 10, 1, 4, 12, 30, 1, 4, 18, 38, 45, 1, 5, 21, 64, 144, 1, 5, 27, 91, 217, 210]