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 | 1 |
1 | 2 |
2 | 12 |
3 | 126 |
4 | 1920 |
5 | 38594 |
6 | 966336 |
7 | 29013502 |
8 | 1016725248 |
9 | 40756464002 |
10 | 1840019388416 |
11 | 92407718510206 |
12 | 5110719354064896 |
13 | 308687318601431618 |
14 | 20219267260662005760 |
15 | 1427631259848921544702 |
16 | 108098847179804608299008 |
17 | 8738141126983786551626498 |
18 | 751078053821468153074155520 |