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 | 13 |
| 2 | 841 |
| 3 | 40106 |
| 4 | 2008890 |
| 5 | 100047288 |
| 6 | 4982424404 |
| 7 | 248187289625 |
| 8 | 12362821462925 |
| 9 | 615823316590381 |
| 10 | 30675714678416140 |
| 11 | 1528034812741010509 |
| 12 | 76115272823689573050 |
| 13 | 3791493955944999761482 |
| 14 | 188863888740455537178552 |