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 | 281 |
| 4 | 3304 |
| 5 | 39155 |
| 6 | 445067 |
| 7 | 5257963 |
| 8 | 56668992 |
| 9 | 607124788 |
| 10 | 6426731531 |
| 11 | 68792548151 |