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.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 1 |
11 | 2 |
12 | 4 |
13 | 8 |
14 | 15 |
15 | 30 |
16 | 60 |
17 | 120 |
18 | 240 |
19 | 480 |
20 | 960 |
21 | 1919 |
22 | 3836 |
23 | 7668 |
24 | 15328 |
25 | 30641 |
26 | 61252 |
27 | 122444 |
28 | 244768 |
29 | 489296 |
30 | 978112 |
31 | 1955264 |
32 | 3908609 |
33 | 7813382 |
34 | 15619096 |
35 | 31222864 |
36 | 62415087 |
37 | 124768922 |
38 | 249415400 |
39 | 498586032 |
40 | 996682768 |
41 | 1992387424 |