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 | 8 |
| 2 | 8000000000 |
| 3 | 8000000008 |
| 4 | 8000000018 |
| 5 | 8018000000 |
| 6 | 8018000008 |
| 7 | 8018000018 |
| 8 | 8018018000 |
| 9 | 8018018008 |
| 10 | 8018018018 |
| 11 | 8018018800 |
| 12 | 8018018808 |
| 13 | 8018018818 |
| 14 | 8018018880 |
| 15 | 8018018888 |
| 16 | 8018018885 |
| 17 | 8018018884 |
| 18 | 8018018889 |
| 19 | 8018018881 |
| 20 | 8018018887 |
| 21 | 8018018886 |
| 22 | 8018018883 |
| 23 | 8018018882 |
| 24 | 8018018811 |
| 25 | 8018018815 |
| 26 | 8018018850 |