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 | 20 |
3 | 60 |
4 | 240 |
5 | 1200 |
6 | 7200 |
7 | 50400 |
8 | 403200 |
9 | 3628800 |
10 | 36288000 |
11 | 399168000 |
12 | 4790016000 |
13 | 62270208000 |
14 | 871782912000 |
15 | 13076743680000 |
16 | 209227898880000 |
17 | 3556874280960000 |
18 | 64023737057280000 |
19 | 1216451004088320000 |