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 | 0 |
| 2 | 10 |
| 3 | 317 |
| 4 | 1235 |
| 5 | 28898 |
| 6 | 120742 |
| 7 | 1411753 |
| 8 | 201095722 |
| 9 | 306312948 |
| 10 | 12306316582 |
| 11 | 32679761048 |
| 12 | 806327047899 |
| 13 | 9600042921304 |
| 14 | 172192972068022 |