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 | 2 |
| 1 | 3 |
| 2 | 1312 |
| 3 | 231221 |
| 4 | 234241 |
| 5 | 24235231 |
| 6 | 1534335221 |
| 7 | 3524535231 |
| 8 | 5524634231 |
| 9 | 165534534221 |
| 10 | 265544434231 |
| 11 | 265564434231 |
| 12 | 364574434221 |
| 13 | 17363574434221 |
| 14 | 37262574534231 |
| 15 | 47263554635231 |
| 16 | 37365544635221 |
| 17 | 27466544634221 |