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 | 6 |
| 3 | 60 |
| 4 | 624 |
| 5 | 6071 |
| 6 | 60073 |
| 7 | 600069 |
| 8 | 6000069 |
| 9 | 60000069 |
| 10 | 600000061 |
| 11 | 6000000071 |