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 | 13 |
3 | 100 |
4 | 984 |
5 | 11712 |
6 | 163200 |
7 | 2603520 |
8 | 46771200 |
9 | 934133760 |
10 | 20530298880 |
11 | 492355584000 |
12 | 12793813401600 |
13 | 358063276032000 |
14 | 10737974299852800 |
15 | 343513154086502400 |
16 | 11676590580695040000 |
17 | 420271561157640192000 |
18 | 15967576932074127360000 |