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) |
|---|---|
| 2 | 7 |
| 3 | 97 |
| 4 | 349 |
| 5 | 13309 |
| 6 | 33613 |
| 7 | 5594749 |
| 8 | 84477247 |
| 9 | 1524981247 |
| 10 | 60924074749 |