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 | 13 |
| 2 | 130 |
| 3 | 1131 |
| 4 | 1300 |
| 5 | 1313 |
| 6 | 1326 |
| 7 | 1339 |
| 8 | 1352 |
| 9 | 1365 |
| 10 | 1378 |
| 11 | 1391 |
| 12 | 2132 |
| 13 | 2613 |
| 14 | 3133 |
| 15 | 3913 |
| 16 | 4134 |
| 17 | 5135 |
| 18 | 5213 |
| 19 | 6136 |
| 20 | 6513 |
| 21 | 7137 |
| 22 | 7813 |
| 23 | 8138 |
| 24 | 9113 |
| 25 | 9139 |
| 26 | 10413 |
| 27 | 11310 |
| 28 | 11323 |
| 29 | 11336 |
| 30 | 11349 |
| 31 | 11362 |
| 32 | 11375 |
| 33 | 11388 |
| 34 | 11713 |
| 35 | 13000 |
| 36 | 13013 |
| 37 | 13026 |
| 38 | 13039 |