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.

A289079 Number of orderless same-trees of weight n with all leaves equal to 1.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 1
6 3
7 1
8 5
9 2
10 3
11 1
12 13
13 1
14 3
15 3
16 22
17 1
18 16
19 1
20 15
21 3
22 3
23 1
24 151
25 2
26 3
27 6
28 17
29 1
30 41
31 1
32 334
33 3
34 3
35 3
36 637
37 1
38 3
39 3
40 275
41 1
42 56
43 1
44 21
45 19
46 3
47 1
48 15591
49 2
50 27
51 3
52 23
53 1
54 902
55 3
56 516
57 3
58 3
59 1
60 7858
61 1
62 3
63 21
64 69109
65 3
66 98
67 1
68 27
69 3
70 67
71 1
72 811756
73 1

List of values

[1, 1, 1, 2, 1, 3, 1, 5, 2, 3, 1, 13, 1, 3, 3, 22, 1, 16, 1, 15, 3, 3, 1, 151, 2, 3, 6, 17, 1, 41, 1, 334, 3, 3, 3, 637, 1, 3, 3, 275, 1, 56, 1, 21, 19, 3, 1, 15591, 2, 27, 3, 23, 1, 902, 3, 516, 3, 3, 1, 7858, 1, 3, 21, 69109, 3, 98, 1, 27, 3, 67, 1, 811756, 1]