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 | 3 |
2 | 20 |
3 | 234 |
4 | 3944 |
5 | 86400 |
6 | 2324160 |
7 | 74062800 |
8 | 2726970624 |
9 | 113893395840 |
10 | 5319595814400 |
11 | 274730601277440 |
12 | 15544557784673280 |
13 | 956232958853652480 |
14 | 63540675378122342400 |
15 | 4535620918350762240000 |
16 | 346127227962539155292160 |
17 | 28120835253815298895380480 |
18 | 2423309442415144546546483200 |