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.

A099092 Riordan array (1,2+4x).

Table of values

n a(n)
0 1
1 0
2 2
3 0
4 4
5 4
6 0
7 0
8 16
9 8
10 0
11 0
12 16
13 48
14 16
15 0
16 0
17 0
18 96
19 128
20 32
21 0
22 0
23 0
24 64
25 384
26 320
27 64
28 0
29 0
30 0
31 0
32 512
33 1280
34 768
35 128
36 0
37 0
38 0
39 0
40 256
41 2560
42 3840
43 1792
44 256
45 0
46 0
47 0
48 0
49 0
50 2560
51 10240
52 10752
53 4096
54 512
55 0
56 0
57 0
58 0
59 0
60 1024
61 15360
62 35840
63 28672
64 9216
65 1024
66 0
67 0
68 0

List of values

[1, 0, 2, 0, 4, 4, 0, 0, 16, 8, 0, 0, 16, 48, 16, 0, 0, 0, 96, 128, 32, 0, 0, 0, 64, 384, 320, 64, 0, 0, 0, 0, 512, 1280, 768, 128, 0, 0, 0, 0, 256, 2560, 3840, 1792, 256, 0, 0, 0, 0, 0, 2560, 10240, 10752, 4096, 512, 0, 0, 0, 0, 0, 1024, 15360, 35840, 28672, 9216, 1024, 0, 0, 0]