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 | 94649 |
| 2 | 94849 |
| 3 | 94949 |
| 4 | 96469 |
| 5 | 98689 |
| 6 | 9446449 |
| 7 | 9686869 |
| 8 | 9888889 |
| 9 | 9889889 |
| 10 | 9896989 |
| 11 | 9989899 |
| 12 | 944999449 |
| 13 | 946666649 |
| 14 | 946999649 |
| 15 | 948898849 |
| 16 | 964444469 |
| 17 | 964989469 |
| 18 | 966848669 |
| 19 | 968646869 |
| 20 | 968666869 |
| 21 | 968868869 |
| 22 | 968898869 |
| 23 | 968999869 |
| 24 | 986444689 |