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.

A090182 Triangle T(n,k), 0 <= k <= n, composed of k-Catalan numbers.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 1
9 1
10 1
11 5
12 3
13 1
14 1
15 1
16 14
17 17
18 4
19 1
20 1
21 1
22 42
23 171
24 43
25 5
26 1
27 1
28 1
29 132
30 3113
31 1252
32 89
33 6
34 1
35 1
36 1
37 429
38 106419
39 104098
40 5885
41 161
42 7
43 1
44 1
45 1
46 1430
47 7035649
48 25511272
49 1518897
50 20466
51 265
52 8
53 1
54 1
55 1
56 4862
57 915028347
58 18649337311
59 1558435125
60 12833546
61 57799
62 407
63 9
64 1
65 1

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 5, 3, 1, 1, 1, 14, 17, 4, 1, 1, 1, 42, 171, 43, 5, 1, 1, 1, 132, 3113, 1252, 89, 6, 1, 1, 1, 429, 106419, 104098, 5885, 161, 7, 1, 1, 1, 1430, 7035649, 25511272, 1518897, 20466, 265, 8, 1, 1, 1, 4862, 915028347, 18649337311, 1558435125, 12833546, 57799, 407, 9, 1, 1]