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 | 8 |
4 | 42 |
5 | 360 |
6 | 4800 |
7 | 102960 |
8 | 3538080 |
9 | 196035840 |
10 | 17520703200 |
11 | 2529842515200 |
12 | 590412901478400 |
13 | 222813349683724800 |
14 | 136001024583142118400 |
15 | 134285149587387262464000 |
16 | 214504624277084224347264000 |
17 | 554361997358383529330695680000 |