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 | 0 |
1 | 1 |
2 | 1 |
3 | 5 |
4 | 38 |
5 | 404 |
6 | 5514 |
7 | 91916 |
8 | 1810080 |
9 | 41119704 |
10 | 1058505600 |
11 | 30450551592 |
12 | 968121778128 |
13 | 33709242522864 |
14 | 1275738359407680 |
15 | 52141501470591360 |
16 | 2288907292892799744 |
17 | 107405692000948859904 |
18 | 5365016291068305805440 |
19 | 284225212617080543066880 |