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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 92 |
| 9 | 13848 |
| 10 | 636524 |
| 11 | 14803480 |
| 12 | 207667564 |
| 13 | 2008758532 |
| 14 | 14752426528 |
| 15 | 87154016752 |
| 16 | 432539436508 |
| 17 | 1858901487620 |