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 | -1536 |
2 | 551808 |
3 | 163854336 |
4 | -93387735168 |
5 | -9709554816000 |
6 | 4142226444876288 |
7 | 642510156233453568 |
8 | 41792421673548259200 |
9 | 1615606968766288470528 |
10 | 42343208407470359036160 |
11 | 812663841518551604717568 |
12 | 12060089370317565140003328 |