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 | 66 |
5 | 24 |
6 | 7398000 |
7 | 720 |
8 | 445824751680 |
9 | 4762759680 |
10 | 100329999065856000 |
11 | 3628800 |
12 | 1019618790465528595884298768746577920000 |
13 | 479001600 |
14 | 97532934291415606872784896000 |
15 | 5460491900297503751785620701184000 |
16 | 1567611138605648558776157123803950409816473600000 |