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 | 1 |
| 2 | 3 |
| 3 | 262279 |
| 4 | 143823239 |
| 5 | 382114303 |
| 6 | 1223853491 |
| 7 | 381541784791 |
| 8 | 556985326431 |
| 9 | 6236258437049 |
| 10 | 98828020264153 |