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 | 2 |
| 3 | 12 |
| 4 | 112 |
| 5 | 212 |
| 6 | 1112 |
| 7 | 2212 |
| 8 | 2112 |
| 9 | 11112 |
| 10 | 21112 |
| 11 | 12112 |
| 12 | 22112 |
| 13 | 12212 |
| 14 | 22212 |
| 15 | 111112 |
| 16 | 211112 |
| 17 | 121112 |
| 18 | 221112 |
| 19 | 122112 |
| 20 | 222112 |
| 21 | 112212 |
| 22 | 122212 |
| 23 | 222212 |
| 24 | 1111112 |
| 25 | 2111112 |
| 26 | 1211112 |
| 27 | 2211112 |
| 28 | 1121112 |