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 | 0 |
| 2 | 1 |
| 3 | 60 |
| 4 | 639 |
| 5 | 6278 |
| 6 | 62345 |
| 7 | 625077 |
| 8 | 6249493 |
| 9 | 62489514 |
| 10 | 624962532 |
| 11 | 6250019064 |
| 12 | 62499955595 |