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 | 2 |
2 | 14 |
3 | 132 |
4 | 1704 |
5 | 27360 |
6 | 527760 |
7 | 11874240 |
8 | 305343360 |
9 | 8833224960 |
10 | 283928198400 |
11 | 10038995366400 |
12 | 387222498432000 |
13 | 16180539927552000 |
14 | 728132005791590400 |
15 | 35106736224688128000 |
16 | 1805508406018437120000 |