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 | 2 |
| 4 | 10 |
| 5 | 12 |
| 6 | 22 |
| 7 | 111 |
| 8 | 210 |
| 9 | 1021 |
| 10 | 2001 |
| 11 | 10022 |
| 12 | 12100 |
| 13 | 22122 |
| 14 | 111222 |
| 15 | 211121 |
| 16 | 1100120 |
| 17 | 2012011 |
| 18 | 10112201 |
| 19 | 12201212 |
| 20 | 100021120 |
| 21 | 120000102 |
| 22 | 220021222 |
| 23 | 1110022101 |
| 24 | 2100121100 |
| 25 | 10210220201 |
| 26 | 20011112001 |