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 | 22 |
| 3 | 122 |
| 4 | 212 |
| 5 | 221 |
| 6 | 333 |
| 7 | 1333 |
| 8 | 3133 |
| 9 | 3313 |
| 10 | 3331 |
| 11 | 4444 |
| 12 | 14444 |
| 13 | 22333 |
| 14 | 23233 |
| 15 | 23323 |
| 16 | 23332 |
| 17 | 32233 |
| 18 | 32323 |
| 19 | 32332 |
| 20 | 33223 |
| 21 | 33232 |
| 22 | 33322 |
| 23 | 41444 |
| 24 | 44144 |
| 25 | 44414 |
| 26 | 44441 |
| 27 | 55555 |
| 28 | 122333 |
| 29 | 123233 |
| 30 | 123323 |
| 31 | 123332 |
| 32 | 132233 |
| 33 | 132323 |
| 34 | 132332 |
| 35 | 133223 |
| 36 | 133232 |
| 37 | 133322 |
| 38 | 155555 |