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 | 18 |
| 2 | 25 |
| 3 | 133 |
| 4 | 2107 |
| 5 | 4676 |
| 6 | 226037 |
| 7 | 4477739 |
| 8 | 827867201 |