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.

A055327 Triangle of rooted identity trees with n nodes and k leaves.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 1
9 4
10 1
11 1
12 6
13 5
14 1
15 9
16 13
17 2
18 1
19 12
20 28
21 11
22 1
23 16
24 53
25 40
26 3
27 1
28 20
29 91
30 109
31 26
32 1
33 25
34 146
35 254
36 116
37 6
38 1
39 30
40 223
41 524
42 387
43 61
44 1
45 36
46 326
47 998
48 1068
49 329
50 12
51 1
52 42
53 461
54 1774
55 2587
56 1289
57 145
58 1
59 49
60 634
61 2995
62 5678
63 4133
64 911
65 25
66 1
67 56

List of values

[1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 1, 6, 5, 1, 9, 13, 2, 1, 12, 28, 11, 1, 16, 53, 40, 3, 1, 20, 91, 109, 26, 1, 25, 146, 254, 116, 6, 1, 30, 223, 524, 387, 61, 1, 36, 326, 998, 1068, 329, 12, 1, 42, 461, 1774, 2587, 1289, 145, 1, 49, 634, 2995, 5678, 4133, 911, 25, 1, 56]