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) |
|---|---|
| 6 | 1 |
| 7 | 37 |
| 8 | 895 |
| 9 | 18256 |
| 10 | 344094 |
| 11 | 6258148 |
| 12 | 112439098 |
| 13 | 2023699784 |
| 14 | 36812192538 |
| 15 | 680904631479 |