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 | 1175 |
| 2 | 231917 |
| 3 | 434137 |
| 4 | 534743 |
| 5 | 595347 |
| 6 | 10310197 |
| 7 | 107103101 |
| 8 | 137131127 |
| 9 | 149139137 |
| 10 | 163157151 |
| 11 | 167163157 |
| 12 | 179173167 |
| 13 | 223211199 |
| 14 | 239233229 |
| 15 | 251241239 |
| 16 | 269263257 |
| 17 | 281277271 |
| 18 | 293283281 |
| 19 | 311307293 |
| 20 | 349347337 |
| 21 | 383379373 |
| 22 | 401397389 |
| 23 | 419409401 |
| 24 | 421419409 |
| 25 | 449443439 |
| 26 | 457449443 |
| 27 | 487479467 |
| 28 | 491487479 |