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 | 1 |
| 2 | 97 |
| 3 | 961 |
| 4 | 9998 |
| 5 | 83521 |
| 6 | 999981 |
| 7 | 4826809 |
| 8 | 99999994 |
| 9 | 999887641 |
| 10 | 9999999824 |
| 11 | 25937424601 |
| 12 | 999999999981 |
| 13 | 3138428376721 |
| 14 | 99999999998144 |
| 15 | 999997242389289 |
| 16 | 9999999999999997 |
| 17 | 45949729863572161 |
| 18 | 999999999999999252 |