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 | 6 |
| 3 | 71 |
| 4 | 877 |
| 5 | 11437 |
| 6 | 140179 |
| 7 | 1567562 |
| 8 | 16444269 |
| 9 | 158993052 |
| 10 | 1448222849 |
| 11 | 12807964358 |