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 | 1 |
| 3 | 2350 |
| 4 | 11375145 |
| 5 | 137409486772 |
| 6 | 3537141103745065 |
| 7 | 173357342638694530002 |
| 8 | 14844736259829478729001905 |