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.

A302939 Number of signed trees with n nodes and p positive edges. Triangle T(n,p) read by rows, 0<=p

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 3
9 3
10 2
11 3
12 6
13 9
14 6
15 3
16 6
17 16
18 27
19 27
20 16
21 6
22 11
23 37
24 79
25 96
26 79
27 37
28 11
29 23
30 96
31 233
32 349
33 349
34 233
35 96
36 23
37 47
38 239
39 679
40 1187
41 1439
42 1187
43 679
44 239
45 47
46 106
47 622
48 1987
49 4017
50 5639
51 5639
52 4017
53 1987
54 622
55 106
56 235
57 1607
58 5784
59 13216
60 21263
61 24758
62 21263
63 13216
64 5784
65 1607
66 235

List of values

[1, 1, 1, 1, 1, 1, 2, 3, 3, 2, 3, 6, 9, 6, 3, 6, 16, 27, 27, 16, 6, 11, 37, 79, 96, 79, 37, 11, 23, 96, 233, 349, 349, 233, 96, 23, 47, 239, 679, 1187, 1439, 1187, 679, 239, 47, 106, 622, 1987, 4017, 5639, 5639, 4017, 1987, 622, 106, 235, 1607, 5784, 13216, 21263, 24758, 21263, 13216, 5784, 1607, 235]