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 | 89 |
| 2 | 449 |
| 3 | 499 |
| 4 | 4889 |
| 5 | 4999 |
| 6 | 8849 |
| 7 | 8999 |
| 8 | 9949 |
| 9 | 44449 |
| 10 | 48449 |
| 11 | 48889 |
| 12 | 48989 |
| 13 | 49499 |
| 14 | 49999 |
| 15 | 84449 |
| 16 | 84499 |
| 17 | 88499 |
| 18 | 89449 |
| 19 | 89849 |
| 20 | 89899 |
| 21 | 89989 |
| 22 | 94849 |
| 23 | 94889 |
| 24 | 94949 |
| 25 | 94999 |
| 26 | 98849 |
| 27 | 98899 |
| 28 | 98999 |
| 29 | 99989 |
| 30 | 444449 |
| 31 | 448999 |
| 32 | 449989 |
| 33 | 484489 |
| 34 | 484999 |
| 35 | 489449 |
| 36 | 489989 |
| 37 | 494849 |
| 38 | 494899 |