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 | 5 |
| 2 | 41 |
| 3 | 311 |
| 4 | 311 |
| 5 | 34421 |
| 6 | 442019 |
| 7 | 3634531 |
| 8 | 48205429 |
| 9 | 1798467197 |
| 10 | 36154343837 |
| 11 | 166400805323 |
| 12 | 6123584726269 |