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 | 68 |
| 4 | 724 |
| 5 | 7126 |
| 6 | 67537 |
| 7 | 667927 |
| 8 | 6668357 |
| 9 | 66668807 |
| 10 | 666669258 |
| 11 | 6666669682 |