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 | 0 |
1 | 0 |
2 | 0 |
3 | 6 |
4 | 6468240187392 |
5 | 143635721907943000938060 |
6 | 4861091521972177266672058368000 |
7 | 2856800670438221106476061284736341250 |
8 | 131028911804088893672445293407292154494976 |