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.

A128908 Riordan array (1, x/(1-x)^2).

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 2
5 1
6 0
7 3
8 4
9 1
10 0
11 4
12 10
13 6
14 1
15 0
16 5
17 20
18 21
19 8
20 1
21 0
22 6
23 35
24 56
25 36
26 10
27 1
28 0
29 7
30 56
31 126
32 120
33 55
34 12
35 1
36 0
37 8
38 84
39 252
40 330
41 220
42 78
43 14
44 1
45 0
46 9
47 120
48 462
49 792
50 715
51 364
52 105
53 16
54 1
55 0
56 10
57 165
58 792
59 1716
60 2002
61 1365
62 560
63 136
64 18
65 1

List of values

[1, 0, 1, 0, 2, 1, 0, 3, 4, 1, 0, 4, 10, 6, 1, 0, 5, 20, 21, 8, 1, 0, 6, 35, 56, 36, 10, 1, 0, 7, 56, 126, 120, 55, 12, 1, 0, 8, 84, 252, 330, 220, 78, 14, 1, 0, 9, 120, 462, 792, 715, 364, 105, 16, 1, 0, 10, 165, 792, 1716, 2002, 1365, 560, 136, 18, 1]