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 | 7 |
| 2 | 153 |
| 3 | 197 |
| 4 | 7399 |
| 5 | 24434 |
| 6 | 24434 |
| 7 | 9242360 |
| 8 | 238861211 |
| 9 | 238861211 |