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 | 1 |
2 | 2 |
3 | 6 |
4 | 48 |
5 | 720 |
6 | 11520 |
7 | 183960 |
8 | 3185280 |
9 | 65681280 |
10 | 1637193600 |
11 | 46436544000 |
12 | 1423113753600 |
13 | 46607434473600 |
14 | 1648149184281600 |
15 | 63369409495392000 |
16 | 2634451417524326400 |
17 | 117088187211284889600 |
18 | 5518546983426135859200 |
19 | 275022667579200532992000 |