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.

A370770 Triangle read by rows: T(n,k) is the number of k-trees with n unlabeled nodes.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 2
12 1
13 1
14 1
15 1
16 3
17 2
18 1
19 1
20 1
21 1
22 6
23 5
24 2
25 1
26 1
27 1
28 1
29 11
30 12
31 5
32 2
33 1
34 1
35 1
36 1
37 23
38 39
39 15
40 5
41 2
42 1
43 1
44 1
45 1
46 47
47 136
48 58
49 15
50 5
51 2
52 1
53 1
54 1
55 1
56 106
57 529
58 275
59 64
60 15
61 5
62 2
63 1
64 1
65 1
66 1
67 235
68 2171
69 1505
70 331
71 64
72 15
73 5
74 2
75 1
76 1
77 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 6, 5, 2, 1, 1, 1, 1, 11, 12, 5, 2, 1, 1, 1, 1, 23, 39, 15, 5, 2, 1, 1, 1, 1, 47, 136, 58, 15, 5, 2, 1, 1, 1, 1, 106, 529, 275, 64, 15, 5, 2, 1, 1, 1, 1, 235, 2171, 1505, 331, 64, 15, 5, 2, 1, 1, 1]