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 | 101 |
| 3 | 131 |
| 4 | 151 |
| 5 | 191 |
| 6 | 313 |
| 7 | 353 |
| 8 | 10301 |
| 9 | 10501 |
| 10 | 11311 |
| 11 | 13331 |
| 12 | 30103 |
| 13 | 1003001 |
| 14 | 1123211 |
| 15 | 1201021 |
| 16 | 1221221 |
| 17 | 1303031 |
| 18 | 1311131 |
| 19 | 3001003 |
| 20 | 3103013 |
| 21 | 10000500001 |
| 22 | 10000900001 |
| 23 | 10002520001 |
| 24 | 10013131001 |
| 25 | 10111311101 |
| 26 | 10301110301 |