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 | 122 |
| 3 | 212 |
| 4 | 221 |
| 5 | 122333 |
| 6 | 123233 |
| 7 | 123323 |
| 8 | 123332 |
| 9 | 132233 |
| 10 | 132323 |
| 11 | 132332 |
| 12 | 133223 |
| 13 | 133232 |
| 14 | 133322 |
| 15 | 212333 |
| 16 | 213233 |
| 17 | 213323 |
| 18 | 213332 |
| 19 | 221333 |
| 20 | 223133 |
| 21 | 223313 |
| 22 | 223331 |
| 23 | 231233 |
| 24 | 231323 |
| 25 | 231332 |
| 26 | 232133 |
| 27 | 232313 |
| 28 | 232331 |
| 29 | 233123 |
| 30 | 233132 |
| 31 | 233213 |
| 32 | 233231 |
| 33 | 233312 |
| 34 | 233321 |
| 35 | 312233 |
| 36 | 312323 |