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) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 68 |
| 3 | 757 |
| 4 | 8976 |
| 5 | 96875 |
| 6 | 992224 |
| 7 | 9983193 |
| 8 | 99967232 |
| 9 | 999940951 |
| 10 | 9999900000 |
| 11 | 99999838949 |
| 12 | 999999751168 |
| 13 | 9999999628707 |
| 14 | 99999999462176 |
| 15 | 999999999240625 |
| 16 | 9999999998951424 |
| 17 | 99999999998580143 |
| 18 | 999999999998110432 |