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) |
|---|---|
| 3 | 6 |
| 4 | 44 |
| 5 | 351 |
| 6 | 3093 |
| 7 | 33445 |
| 8 | 600027 |
| 9 | 68769167 |
| 10 | 219587421825 |