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 | 2 |
3 | 48 |
4 | 2688 |
5 | 1935360 |
6 | 1919877120 |
7 | 23222833643520 |
8 | 335564785519165440 |
9 | 65717007596073359769600 |
10 | 21492090164219831579049984000 |
11 | 66041307304745851496871108594892800 |
12 | 226523509196861965428709270554756199219200 |
13 | 16622838761287803491875715175557341313583022080000 |