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 | 4 |
3 | 28 |
4 | 264 |
5 | 3206 |
6 | 47684 |
7 | 839249 |
8 | 17058688 |
9 | 393216567 |
10 | 10134918592 |
11 | 288815780665 |
12 | 9016571143680 |
13 | 306027510946208 |
14 | 11219450971161024 |
15 | 441846991480590475 |
16 | 18602901833071633792 |
17 | 833832341625621777368 |
18 | 39642569136740054367808 |