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 | 12 |
| 3 | 286 |
| 4 | 5978 |
| 5 | 111136 |
| 6 | 283584 |
| 7 | 339379 |
| 8 | 1102652 |
| 9 | 8830498 |
| 10 | 27952828 |
| 11 | 30442612 |
| 12 | 84638560 |
| 13 | 90619592 |
| 14 | 101907952 |
| 15 | 175917947 |