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 | 8 |
| 2 | 44 |
| 3 | 66 |
| 4 | 99 |
| 5 | 242 |
| 6 | 343 |
| 7 | 363 |
| 8 | 404 |
| 9 | 606 |
| 10 | 909 |
| 11 | 1331 |
| 12 | 2222 |
| 13 | 2882 |
| 14 | 3333 |
| 15 | 5555 |
| 16 | 6886 |
| 17 | 7777 |
| 18 | 12221 |
| 19 | 15851 |
| 20 | 20402 |
| 21 | 26462 |
| 22 | 30603 |
| 23 | 37873 |
| 24 | 39693 |
| 25 | 112211 |
| 26 | 145541 |
| 27 | 167761 |
| 28 | 226622 |
| 29 | 248842 |
| 30 | 339933 |
| 31 | 347743 |
| 32 | 662266 |
| 33 | 664466 |
| 34 | 668866 |
| 35 | 682286 |
| 36 | 993399 |
| 37 | 996699 |
| 38 | 1030301 |
| 39 | 1246421 |