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 | 8899 |
| 1 | 2829 |
| 2 | 221819 |
| 3 | 21221819 |
| 4 | 31321819 |
| 5 | 3112231819 |
| 6 | 4122231819 |
| 7 | 313213141819 |
| 8 | 511233141819 |
| 9 | 51122314151819 |
| 10 | 61221314251819 |
| 11 | 5132131415161819 |
| 12 | 7112231425161819 |
| 13 | 613213141516171819 |
| 14 | 811223141526171819 |