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 | 1 |
3 | 2 |
4 | 6 |
5 | 144 |
6 | 2880 |
7 | 2073600 |
8 | 1306368000 |
9 | 17557585920000 |
10 | 637129677864960000 |
11 | 2312016175036366848000000 |
12 | 640890883720080890265600000000 |
13 | 306987758727332698566646824960000000000 |
14 | 136544225638605874463902854662848512000000000000 |