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.

A237124 Triangle of numbers related to Catalan numbers (A000108).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 3
7 4
8 3
9 1
10 9
11 11
12 8
13 4
14 1
15 28
16 33
17 24
18 13
19 5
20 1
21 90
22 104
23 76
24 43
25 19
26 6
27 1
28 297
29 339
30 249
31 145
32 69
33 26
34 7
35 1
36 1001
37 1133
38 836
39 497
40 248
41 103
42 34
43 8
44 1
45 3432
46 3861
47 2860
48 1727
49 891
50 394
51 146
52 43
53 9
54 1
55 11934
56 13364
57 9932
58 6071
59 3211
60 1484
61 593
62 199
63 53
64 10
65 1

List of values

[1, 1, 1, 1, 2, 1, 3, 4, 3, 1, 9, 11, 8, 4, 1, 28, 33, 24, 13, 5, 1, 90, 104, 76, 43, 19, 6, 1, 297, 339, 249, 145, 69, 26, 7, 1, 1001, 1133, 836, 497, 248, 103, 34, 8, 1, 3432, 3861, 2860, 1727, 891, 394, 146, 43, 9, 1, 11934, 13364, 9932, 6071, 3211, 1484, 593, 199, 53, 10, 1]