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 | 22 |
| 2 | 4444 |
| 3 | 224444 |
| 4 | 442244 |
| 5 | 444422 |
| 6 | 666666 |
| 7 | 10123133 |
| 8 | 10123331 |
| 9 | 10143133 |
| 10 | 10143331 |
| 11 | 10153133 |
| 12 | 10153331 |
| 13 | 10163133 |
| 14 | 10163331 |
| 15 | 10173133 |
| 16 | 10173331 |
| 17 | 10183133 |
| 18 | 10183331 |
| 19 | 10193133 |
| 20 | 10193331 |
| 21 | 10212332 |
| 22 | 10213223 |
| 23 | 10232132 |