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.

A113214 Riordan array (1+2x,x(1+x)).

Table of values

n a(n)
0 1
1 2
2 1
3 0
4 3
5 1
6 0
7 2
8 4
9 1
10 0
11 0
12 5
13 5
14 1
15 0
16 0
17 2
18 9
19 6
20 1
21 0
22 0
23 0
24 7
25 14
26 7
27 1
28 0
29 0
30 0
31 2
32 16
33 20
34 8
35 1
36 0
37 0
38 0
39 0
40 9
41 30
42 27
43 9
44 1
45 0
46 0
47 0
48 0
49 2
50 25
51 50
52 35
53 10
54 1
55 0
56 0
57 0
58 0
59 0
60 11
61 55
62 77
63 44
64 11
65 1
66 0
67 0
68 0
69 0
70 0
71 2
72 36
73 105
74 112
75 54
76 12
77 1
78 0
79 0
80 0
81 0
82 0
83 0
84 13
85 91
86 182
87 156
88 65
89 13
90 1

List of values

[1, 2, 1, 0, 3, 1, 0, 2, 4, 1, 0, 0, 5, 5, 1, 0, 0, 2, 9, 6, 1, 0, 0, 0, 7, 14, 7, 1, 0, 0, 0, 2, 16, 20, 8, 1, 0, 0, 0, 0, 9, 30, 27, 9, 1, 0, 0, 0, 0, 2, 25, 50, 35, 10, 1, 0, 0, 0, 0, 0, 11, 55, 77, 44, 11, 1, 0, 0, 0, 0, 0, 2, 36, 105, 112, 54, 12, 1, 0, 0, 0, 0, 0, 0, 13, 91, 182, 156, 65, 13, 1]