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 | 10 |
| 2 | 171 |
| 3 | 1947 |
| 4 | 2619 |
| 5 | 265105 |
| 6 | 478834027 |
| 7 | 974622397 |
| 8 | 11373118351 |