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 | 269 |
| 2 | 271 |
| 3 | 277 |
| 4 | 281 |
| 5 | 283 |
| 6 | 293 |
| 7 | 307 |
| 8 | 311 |
| 9 | 313 |
| 10 | 317 |
| 11 | 331 |
| 12 | 337 |
| 13 | 347 |
| 14 | 349 |
| 15 | 353 |
| 16 | 359 |
| 17 | 367 |
| 18 | 373 |
| 19 | 379 |
| 20 | 383 |
| 21 | 389 |
| 22 | 397 |
| 23 | 401 |
| 24 | 409 |
| 25 | 419 |