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 | 2 |
| 2 | 3 |
| 3 | 8 |
| 4 | 11 |
| 5 | 36 |
| 6 | 816 |
| 7 | 4211 |
| 8 | 13163 |
| 9 | 409483 |
| 10 | 1128391 |
| 11 | 2583163 |
| 12 | 87935963 |
| 13 | 356051588 |
| 14 | 35683017483 |
| 15 | 87964636836 |
| 16 | 11566016486836 |
| 17 | 36978011484891 |