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 | 3 |
| 2 | 19 |
| 3 | 163 |
| 4 | 1459 |
| 5 | 17497 |
| 6 | 52489 |
| 7 | 87211 |
| 8 | 135433 |
| 9 | 139483 |
| 10 | 1220347 |
| 11 | 5419387 |
| 12 | 6049243 |
| 13 | 28934011 |
| 14 | 86093443 |
| 15 | 227862073 |
| 16 | 272010961 |