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 | 10 |
2 | 140 |
3 | 2520 |
4 | 55440 |
5 | 1441440 |
6 | 43243200 |
7 | 1470268800 |
8 | 55870214400 |
9 | 2346549004800 |
10 | 107941254220800 |
11 | 5397062711040000 |
12 | 291441386396160000 |
13 | 16903600410977280000 |
14 | 1048023225480591360000 |
15 | 69169532881719029760000 |
16 | 4841867301720332083200000 |
17 | 358298180327304574156800000 |