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.

A384437 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) is the n-th q-Catalan number for q=k.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 2
9 1
10 1
11 1
12 5
13 5
14 1
15 1
16 1
17 10
18 93
19 14
20 1
21 1
22 1
23 17
24 847
25 6477
26 42
27 1
28 1
29 1
30 26
31 4433
32 627382
33 1733677
34 132
35 1
36 1
37 1
38 37
39 16401
40 18245201
41 4138659802
42 1816333805
43 429
44 1
45 1
46 1
47 50
48 48205
49 256754526
50 1197172898385
51 244829520301060
52 7526310334829
53 1430
54 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 5, 5, 1, 1, 1, 10, 93, 14, 1, 1, 1, 17, 847, 6477, 42, 1, 1, 1, 26, 4433, 627382, 1733677, 132, 1, 1, 1, 37, 16401, 18245201, 4138659802, 1816333805, 429, 1, 1, 1, 50, 48205, 256754526, 1197172898385, 244829520301060, 7526310334829, 1430, 1]