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 | 1 |
| 2 | 13 |
| 3 | 102 |
| 4 | 224 |
| 5 | 1000 |
| 6 | 1331 |
| 7 | 2333 |
| 8 | 4022 |
| 9 | 10404 |
| 10 | 13000 |
| 11 | 20311 |
| 12 | 23403 |
| 13 | 32242 |
| 14 | 41434 |
| 15 | 102000 |
| 16 | 112341 |
| 17 | 124123 |
| 18 | 141312 |
| 19 | 204414 |
| 20 | 224000 |
| 21 | 244021 |
| 22 | 320043 |
| 23 | 342132 |
| 24 | 420244 |
| 25 | 1000000 |
| 26 | 1030301 |
| 27 | 1112213 |
| 28 | 1200302 |
| 29 | 1240024 |
| 30 | 1331000 |
| 31 | 1423131 |
| 32 | 2022033 |
| 33 | 2122222 |
| 34 | 2224204 |