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 | 11 |
| 4 | 12 |
| 5 | 22 |
| 6 | 111 |
| 7 | 112 |
| 8 | 121 |
| 9 | 122 |
| 10 | 222 |
| 11 | 1111 |
| 12 | 1112 |
| 13 | 1121 |
| 14 | 1122 |
| 15 | 1212 |
| 16 | 1221 |
| 17 | 1222 |
| 18 | 2222 |
| 19 | 11111 |
| 20 | 11112 |
| 21 | 11121 |
| 22 | 11122 |
| 23 | 11211 |
| 24 | 11212 |
| 25 | 11221 |
| 26 | 11222 |
| 27 | 12121 |
| 28 | 12122 |
| 29 | 12212 |
| 30 | 12221 |
| 31 | 12222 |
| 32 | 22222 |
| 33 | 111111 |
| 34 | 111112 |
| 35 | 111121 |
| 36 | 111122 |
| 37 | 111211 |
| 38 | 111212 |
| 39 | 111221 |
| 40 | 111222 |
| 41 | 112112 |