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 | 3 |
| 3 | 4 |
| 4 | 22 |
| 5 | 2335 |
| 6 | 762451795 |
| 7 | 742762245454927736743542 |
| 8 | 41133018324375596439235122590123953570787986963829981156569123587 |