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 | 2 |
| 3 | 3 |
| 4 | 7 |
| 5 | 47 |
| 6 | 97 |
| 7 | 241 |
| 8 | 5051 |
| 9 | 204329 |
| 10 | 217069 |
| 11 | 29002021 |
| 12 | 190346677 |
| 13 | 3568762019 |
| 14 | 221167421 |
| 15 | 18725346527 |