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 | 4 |
3 | 36 |
4 | 480 |
5 | 8460 |
6 | 187200 |
7 | 4998000 |
8 | 156387840 |
9 | 5614313040 |
10 | 227520921600 |
11 | 10275211679040 |
12 | 511772590264320 |
13 | 27870149349282240 |
14 | 1647541857684602880 |
15 | 105073768465758892800 |
16 | 7191330561736409088000 |
17 | 525746801445336504633600 |