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 | -12 |
4 | -424 |
5 | -29808 |
6 | -2966816 |
7 | -237449920 |
8 | 76118167936 |
9 | 84317834342656 |
10 | 53499781544238592 |
11 | 20080969948883956736 |
12 | -10740526073453596649472 |
13 | -31099457241702481710116864 |