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 | 25502420 |
| 2 | 5301223225 |
| 3 | 13242121221 |
| 4 | 32005512020 |
| 5 | 74761736450 |
| 6 | 213415171233 |
| 7 | 221221400424 |
| 8 | 232212103220 |
| 9 | 243857053493 |
| 10 | 685392911334 |
| 11 | 732258727252 |
| 12 | 889011113804 |
| 13 | 905191111482 |
| 14 | 1013460525033 |
| 15 | 1080719141080 |
| 16 | 1229198438214 |
| 17 | 1461057000513 |
| 18 | 1961972092132 |
| 19 | 2157993351414 |