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 | 59999 |
| 2 | 69899 |
| 3 | 77999 |
| 4 | 78989 |
| 5 | 79889 |
| 6 | 79979 |
| 7 | 79997 |
| 8 | 88799 |
| 9 | 88997 |
| 10 | 89897 |
| 11 | 96989 |
| 12 | 98897 |
| 13 | 99689 |
| 14 | 159899 |
| 15 | 168899 |
| 16 | 169889 |
| 17 | 178799 |
| 18 | 178889 |
| 19 | 179897 |
| 20 | 179969 |
| 21 | 189599 |
| 22 | 189797 |
| 23 | 189887 |
| 24 | 189977 |
| 25 | 196799 |
| 26 | 197699 |
| 27 | 197969 |
| 28 | 198599 |
| 29 | 198689 |
| 30 | 198959 |
| 31 | 198977 |