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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 120 |
| 4 | 121 |
| 5 | 120 |
| 6 | 121 |
| 7 | 4210 |
| 8 | 4021 |
| 9 | 121 |
| 10 | 310 |
| 11 | 4211 |
| 12 | 122010 |
| 13 | 4211 |
| 14 | 310 |
| 15 | 311 |
| 16 | 10000 |
| 17 | 122011 |
| 18 | 131100 |
| 19 | 13111 |
| 20 | 311 |
| 21 | 4020 |
| 22 | 10001 |
| 23 | 122200 |
| 24 | 131101 |
| 25 | 243300 |
| 26 | 13301 |
| 27 | 4020 |
| 28 | 4021 |
| 29 | 130310 |
| 30 | 122201 |
| 31 | 131220 |
| 32 | 243301 |
| 33 | 252320 |
| 34 | 121221 |
| 35 | 4021 |
| 36 | 4210 |
| 37 | 130311 |