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.

A102003 Triangle read by rows: T(n,k) is the number of ordered trees with n edges and having k branches of odd length (n>=0, 0<=k<=n).

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 0
5 1
6 0
7 3
8 0
9 2
10 2
11 0
12 8
13 0
14 4
15 0
16 11
17 0
18 22
19 0
20 9
21 5
22 0
23 45
24 0
25 61
26 0
27 21
28 0
29 41
30 0
31 166
32 0
33 171
34 0
35 51
36 14
37 0
38 226
39 0
40 580
41 0
42 483
43 0
44 127
45 0
46 154
47 0
48 1050
49 0
50 1962
51 0
52 1373
53 0
54 323
55 42
56 0
57 1070
58 0
59 4430
60 0
61 6496
62 0
63 3923
64 0
65 835
66 0
67 582
68 0
69 6005
70 0
71 17570
72 0
73 21184
74 0
75 11257
76 0
77 2188

List of values

[1, 0, 1, 1, 0, 1, 0, 3, 0, 2, 2, 0, 8, 0, 4, 0, 11, 0, 22, 0, 9, 5, 0, 45, 0, 61, 0, 21, 0, 41, 0, 166, 0, 171, 0, 51, 14, 0, 226, 0, 580, 0, 483, 0, 127, 0, 154, 0, 1050, 0, 1962, 0, 1373, 0, 323, 42, 0, 1070, 0, 4430, 0, 6496, 0, 3923, 0, 835, 0, 582, 0, 6005, 0, 17570, 0, 21184, 0, 11257, 0, 2188]