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 | 3511 |
| 3 | 1006003 |
| 4 | 3511 |
| 5 | 20771 |
| 6 | 534851 |
| 7 | 491531 |
| 8 | 1093 |
| 9 | 11 |
| 10 | 487 |