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 | 1 |
2 | 0 |
3 | 2 |
4 | 3 |
5 | 16 |
6 | 65 |
7 | 365 |
8 | 2261 |
9 | 16240 |
10 | 131097 |
11 | 1182013 |
12 | 11779537 |
13 | 128737088 |
14 | 1532051287 |
15 | 19731964705 |
16 | 273556185109 |
17 | 4062828620256 |
18 | 64368863326717 |
19 | 1083795820014261 |
20 | 19327395713028985 |
21 | 363940825109825200 |
22 | 7216468161637890899 |
23 | 150304143164083288441 |