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) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 15 |
5 | 105 |
6 | 941 |
7 | 10227 |
8 | 130103 |
9 | 1890785 |
10 | 30848357 |
11 | 557693603 |
12 | 11059808615 |
13 | 238659220361 |
14 | 5566711614125 |
15 | 139564620135715 |
16 | 3742989867108071 |
17 | 106932082058345601 |
18 | 3242189373760912485 |
19 | 103987607657060861139 |
20 | 3517689685292365948343 |
21 | 125173307497940331598857 |