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 | 1 |
| 1 | 10 |
| 2 | 77 |
| 3 | 584 |
| 4 | 4434 |
| 5 | 33664 |
| 6 | 255320 |
| 7 | 1933936 |
| 8 | 14635503 |
| 9 | 110685344 |