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.

A116395 Riordan array (1/sqrt(1-4*x), (1/sqrt(1-4*x)-1)/2).

Table of values

n a(n)
0 1
1 2
2 1
3 6
4 5
5 1
6 20
7 22
8 8
9 1
10 70
11 93
12 47
13 11
14 1
15 252
16 386
17 244
18 81
19 14
20 1
21 924
22 1586
23 1186
24 500
25 124
26 17
27 1
28 3432
29 6476
30 5536
31 2794
32 888
33 176
34 20
35 1
36 12870
37 26333
38 25147
39 14649
40 5615
41 1435
42 237
43 23
44 1
45 48620
46 106762
47 112028
48 73489
49 32714
50 10135
51 2168
52 307
53 26
54 1

List of values

[1, 2, 1, 6, 5, 1, 20, 22, 8, 1, 70, 93, 47, 11, 1, 252, 386, 244, 81, 14, 1, 924, 1586, 1186, 500, 124, 17, 1, 3432, 6476, 5536, 2794, 888, 176, 20, 1, 12870, 26333, 25147, 14649, 5615, 1435, 237, 23, 1, 48620, 106762, 112028, 73489, 32714, 10135, 2168, 307, 26, 1]