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 | 22 |
| 5 | 122 |
| 6 | 212 |
| 7 | 1212 |
| 8 | 222 |
| 9 | 1222 |
| 10 | 2122 |
| 11 | 12122 |
| 12 | 2212 |
| 13 | 12212 |
| 14 | 21212 |
| 15 | 121212 |
| 16 | 2222 |
| 17 | 12222 |
| 18 | 21222 |
| 19 | 121222 |
| 20 | 22122 |
| 21 | 122122 |
| 22 | 212122 |
| 23 | 1212122 |
| 24 | 22212 |
| 25 | 122212 |
| 26 | 212212 |
| 27 | 1212212 |
| 28 | 221212 |
| 29 | 1221212 |
| 30 | 2121212 |
| 31 | 12121212 |
| 32 | 22222 |
| 33 | 122222 |
| 34 | 212222 |
| 35 | 1212222 |
| 36 | 221222 |
| 37 | 1221222 |