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 | 79008 |
| 3 | 8403205056 |
| 4 | 1122409297218768 |
| 5 | 173357342638694530002 |
| 6 | 29526013062983124375791088 |
| 7 | 5395269899168064415277849230476 |