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 | 223 |
| 2 | 227 |
| 3 | 233 |
| 4 | 257 |
| 5 | 277 |
| 6 | 337 |
| 7 | 353 |
| 8 | 373 |
| 9 | 523 |
| 10 | 557 |
| 11 | 577 |
| 12 | 727 |
| 13 | 733 |
| 14 | 757 |
| 15 | 773 |
| 16 | 1223 |
| 17 | 1237 |
| 18 | 1277 |
| 19 | 1327 |
| 20 | 1373 |
| 21 | 1523 |
| 22 | 1553 |
| 23 | 1723 |
| 24 | 1733 |
| 25 | 1753 |
| 26 | 1777 |
| 27 | 2027 |
| 28 | 2053 |
| 29 | 2137 |
| 30 | 2153 |
| 31 | 2203 |
| 32 | 2207 |
| 33 | 2213 |
| 34 | 2221 |
| 35 | 2239 |
| 36 | 2243 |
| 37 | 2251 |
| 38 | 2267 |
| 39 | 2287 |
| 40 | 2293 |
| 41 | 2297 |
| 42 | 2339 |
| 43 | 2347 |
| 44 | 2351 |
| 45 | 2371 |