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) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 2902 |
| 3 | 52127130 |
| 4 | 45120225704486 |
| 5 | 1888405717902201691046 |
| 6 | 3819825084723229625771326323002 |
| 7 | 373453238394596300163358238712837771590526 |