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 | 3 |
| 3 | 8 |
| 4 | 75 |
| 5 | 905 |
| 6 | 17339 |
| 7 | 417204 |
| 8 | 12322101 |
| 9 | 427919519 |
| 10 | 17112239947 |
| 11 | 774546254686 |