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 | 3 |
| 2 | 5 |
| 3 | 277 |
| 4 | 353 |
| 5 | 773 |
| 6 | 3733 |
| 7 | 5557 |
| 8 | 7523 |
| 9 | 7753 |
| 10 | 25357 |
| 11 | 25733 |
| 12 | 27733 |
| 13 | 32233 |
| 14 | 32323 |
| 15 | 32533 |
| 16 | 37273 |
| 17 | 53233 |
| 18 | 53353 |
| 19 | 53377 |
| 20 | 53777 |
| 21 | 55733 |
| 22 | 72337 |
| 23 | 72727 |
| 24 | 73757 |
| 25 | 77377 |
| 26 | 77557 |
| 27 | 232523 |
| 28 | 272333 |
| 29 | 275773 |
| 30 | 322727 |
| 31 | 327553 |
| 32 | 327757 |
| 33 | 333233 |
| 34 | 352357 |
| 35 | 353527 |