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 | 17 |
| 3 | 3026 |
| 4 | 141457 |
| 5 | 4740625 |
| 6 | 113260225 |
| 7 | 205117028945 |
| 8 | 3234825286225 |