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 | 1 |
1 | 1 |
2 | 0 |
3 | 0 |
4 | 6 |
5 | 15 |
6 | 65 |
7 | 595 |
8 | 4004 |
9 | 32865 |
10 | 322307 |
11 | 3316511 |
12 | 37845214 |
13 | 471644173 |
14 | 6319617369 |
15 | 91114344217 |
16 | 1404670896264 |
17 | 23050054222177 |
18 | 401305630237239 |
19 | 7387282161642715 |
20 | 143360257370842146 |
21 | 2925289119525173741 |
22 | 62612350725688075941 |
23 | 1402681525332544374325 |