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) |
---|---|
1 | 1 |
2 | 4 |
3 | 35 |
4 | 20 |
5 | 3003 |
6 | 560 |
7 | 692835 |
8 | 4620 |
9 | 185910725 |
10 | 48048 |
11 | 136745788725 |
12 | 1361360 |
13 | 4281195077775 |
14 | 22170720 |
15 | 6541380665835015 |
16 | 446185740 |
17 | 1898924328582105825 |
18 | 5949143200 |
19 | 90048990529077755175 |