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 | 3 |
| 2 | 22 |
| 3 | 194 |
| 4 | 1620 |
| 5 | 12982 |
| 6 | 98765 |
| 7 | 720519 |
| 8 | 5073805 |
| 9 | 34707100 |
| 10 | 231739037 |