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 | 3 |
| 2 | 11 |
| 3 | 44 |
| 4 | 22 |
| 5 | 16685 |
| 6 | 5325 |
| 7 | 1775 |
| 8 | 710 |
| 9 | 355 |
| 10 | 104348 |
| 11 | 312689 |
| 12 | 1146408 |
| 13 | 20530996 |
| 14 | 10838702 |
| 15 | 5419351 |
| 16 | 165707065 |
| 17 | 411557987 |