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 | 53 |
| 3 | 3137 |
| 4 | 5347 |
| 5 | 5953 |
| 6 | 6761 |
| 7 | 8389 |
| 8 | 137131 |
| 9 | 151157 |
| 10 | 157163 |
| 11 | 167173 |
| 12 | 179173 |
| 13 | 199211 |
| 14 | 211199 |
| 15 | 223211 |
| 16 | 233239 |
| 17 | 239233 |
| 18 | 257263 |
| 19 | 263257 |
| 20 | 263269 |
| 21 | 271277 |
| 22 | 331337 |
| 23 | 353359 |
| 24 | 359353 |
| 25 | 373379 |
| 26 | 433439 |
| 27 | 467479 |
| 28 | 509521 |
| 29 | 523541 |
| 30 | 541523 |
| 31 | 541547 |
| 32 | 593587 |