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 | 11 |
| 2 | 1021 |
| 3 | 1201 |
| 4 | 2011 |
| 5 | 3001 |
| 6 | 10103 |
| 7 | 10211 |
| 8 | 10301 |
| 9 | 11003 |
| 10 | 12011 |
| 11 | 12101 |
| 12 | 13001 |
| 13 | 20021 |
| 14 | 20201 |
| 15 | 21011 |
| 16 | 21101 |