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 | 2 |
2 | 7 |
3 | 80 |
4 | 2692 |
5 | -188160 |
6 | 673763328 |
7 | 53114341552128 |
8 | 11442355482580107264 |
9 | 101868843539003372580372480 |
10 | -11188458083483956358422238173593600 |
11 | 39367352051951445285669984261580278202368000 |