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 | 28 |
| 3 | 285 |
| 4 | 2873 |
| 5 | 28795 |
| 6 | 288244 |
| 7 | 2883807 |
| 8 | 28846206 |
| 9 | 288514821 |
| 10 | 2885502969 |
| 11 | 28857521613 |
| 12 | 288593332699 |
| 13 | 2886069270370 |