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 | 3319 |
| 2 | 3323 |
| 3 | 3347 |
| 4 | 3469 |
| 5 | 3491 |
| 6 | 3539 |
| 7 | 3547 |
| 8 | 3559 |
| 9 | 3571 |
| 10 | 3607 |
| 11 | 3613 |
| 12 | 3617 |
| 13 | 3691 |
| 14 | 3823 |
| 15 | 3847 |
| 16 | 3863 |
| 17 | 4019 |
| 18 | 4079 |
| 19 | 4139 |
| 20 | 4327 |
| 21 | 4423 |
| 22 | 4483 |
| 23 | 4493 |
| 24 | 4519 |
| 25 | 4523 |
| 26 | 4603 |
| 27 | 4759 |
| 28 | 4903 |
| 29 | 4951 |
| 30 | 5039 |
| 31 | 5059 |
| 32 | 5107 |
| 33 | 5113 |
| 34 | 5147 |
| 35 | 5179 |
| 36 | 5227 |
| 37 | 5273 |
| 38 | 5279 |
| 39 | 5351 |
| 40 | 5477 |
| 41 | 5507 |
| 42 | 5527 |