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 | 100 |
| 4 | 2276 |
| 5 | 38500 |
| 6 | 525764 |
| 7 | 6229444 |
| 8 | 66405417 |
| 9 | 652844870 |
| 10 | 6018548260 |