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 | 239 |
| 2 | 10511 |
| 3 | 164781 |
| 4 | 1442005 |
| 5 | 9064541 |
| 6 | 46853641 |
| 7 | 212819499 |
| 8 | 880290006 |
| 9 | 3395883003 |
| 10 | 12434367863 |
| 11 | 43748614669 |
| 12 | 149023329961 |
| 13 | 493368821453 |
| 14 | 1589792417862 |
| 15 | 4986883506257 |
| 16 | 15223339574692 |
| 17 | 45212829646621 |