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) |
|---|---|
| 0 | 8 |
| 1 | 484 |
| 2 | 44844 |
| 3 | 4448444 |
| 4 | 444484444 |
| 5 | 44444844444 |
| 6 | 4444448444444 |
| 7 | 444444484444444 |
| 8 | 44444444844444444 |
| 9 | 4444444448444444444 |
| 10 | 444444444484444444444 |
| 11 | 44444444444844444444444 |
| 12 | 4444444444448444444444444 |
| 13 | 444444444444484444444444444 |
| 14 | 44444444444444844444444444444 |
| 15 | 4444444444444448444444444444444 |