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 | 137 |
| 2 | 139 |
| 3 | 149 |
| 4 | 1433 |
| 5 | 1439 |
| 6 | 1447 |
| 7 | 4337 |
| 8 | 4339 |
| 9 | 4349 |
| 10 | 5297 |
| 11 | 5303 |
| 12 | 5309 |
| 13 | 8287 |
| 14 | 8291 |
| 15 | 8293 |
| 16 | 13049 |
| 17 | 13063 |
| 18 | 13093 |
| 19 | 30293 |
| 20 | 30307 |
| 21 | 30313 |
| 22 | 36007 |
| 23 | 36011 |
| 24 | 36013 |
| 25 | 43391 |
| 26 | 43397 |
| 27 | 43399 |