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.

A113206 Triangle read by rows of generalized Catalan numbers.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 2
7 0
8 1
9 1
10 0
11 3
12 5
13 3
14 0
15 1
16 1
17 0
18 4
19 12
20 14
21 12
22 4
23 0
24 1
25 1
26 0
27 5
28 22
29 55
30 42
31 55
32 22
33 5
34 0
35 1
36 1
37 0
38 6
39 35
40 140
41 273
42 132
43 273
44 140
45 35
46 6
47 0
48 1
49 1
50 0
51 7
52 51
53 285
54 969
55 1428
56 429
57 1428
58 969
59 285
60 51
61 7
62 0
63 1
64 1
65 0
66 8
67 70
68 506
69 2530
70 7084
71 7752
72 1430
73 7752
74 7084

List of values

[1, 1, 0, 1, 1, 0, 2, 0, 1, 1, 0, 3, 5, 3, 0, 1, 1, 0, 4, 12, 14, 12, 4, 0, 1, 1, 0, 5, 22, 55, 42, 55, 22, 5, 0, 1, 1, 0, 6, 35, 140, 273, 132, 273, 140, 35, 6, 0, 1, 1, 0, 7, 51, 285, 969, 1428, 429, 1428, 969, 285, 51, 7, 0, 1, 1, 0, 8, 70, 506, 2530, 7084, 7752, 1430, 7752, 7084]