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 | 1123211 |
| 2 | 1412141 |
| 3 | 3228223 |
| 4 | 3773773 |
| 5 | 7949497 |
| 6 | 9495949 |
| 7 | 100161001 |
| 8 | 101060101 |
| 9 | 101141101 |
| 10 | 110232011 |
| 11 | 111050111 |
| 12 | 112030211 |
| 13 | 112111211 |
| 14 | 113111311 |
| 15 | 121111121 |
| 16 | 122363221 |
| 17 | 122444221 |
| 18 | 125252521 |
| 19 | 131030131 |
| 20 | 131111131 |
| 21 | 138313831 |
| 22 | 138383831 |