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 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 7702 |
| 7 | 1234163819 |
| 8 | 1590823281229385753 |
| 9 | 7255753768720849630767399215373753335 |
| 10 | 44436679763085787755205863082559307822924182270889047678247210478391618529 |