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 | 23 |
| 2 | 3137 |
| 3 | 8389 |
| 4 | 151157 |
| 5 | 157163 |
| 6 | 167173 |
| 7 | 199211 |
| 8 | 233239 |
| 9 | 251257 |
| 10 | 257263 |
| 11 | 263269 |
| 12 | 271277 |
| 13 | 331337 |
| 14 | 353359 |
| 15 | 373379 |
| 16 | 433439 |
| 17 | 467479 |
| 18 | 509521 |
| 19 | 523541 |
| 20 | 541547 |
| 21 | 601607 |
| 22 | 653659 |
| 23 | 661673 |
| 24 | 677683 |
| 25 | 727733 |
| 26 | 941947 |
| 27 | 971977 |
| 28 | 10131019 |