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 | 18 |
| 3 | 108 |
| 4 | 1008 |
| 5 | 100080 |
| 6 | 100008 |
| 7 | 1000048 |
| 8 | 10000008 |
| 9 | 100000008 |
| 10 | 10000000080 |
| 11 | 10000000098 |
| 12 | 100000000008 |
| 13 | 1000000000038 |
| 14 | 10000000000018 |
| 15 | 1000000000000080 |
| 16 | 1000000000000048 |
| 17 | 10000000000000118 |
| 18 | 100000000000000008 |
| 19 | 1000000000000000018 |