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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 919 |
| 7 | 94049 |
| 8 | 94649 |
| 9 | 94849 |
| 10 | 94949 |
| 11 | 96469 |
| 12 | 98689 |
| 13 | 9809089 |
| 14 | 9888889 |
| 15 | 9889889 |
| 16 | 9908099 |
| 17 | 9980899 |
| 18 | 9989899 |
| 19 | 900808009 |
| 20 | 906686609 |
| 21 | 906989609 |
| 22 | 908000809 |
| 23 | 908444809 |
| 24 | 908808809 |
| 25 | 909848909 |
| 26 | 960898069 |
| 27 | 968999869 |
| 28 | 988000889 |