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 | 894 |
| 9 | 18209 |
| 10 | 342746 |
| 11 | 6227216 |
| 12 | 111809573 |
| 13 | 2011739254 |
| 14 | 36593905375 |
| 15 | 677012700022 |