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 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 19 |
| 5 | 23 |
| 6 | 29 |
| 7 | 67 |
| 8 | 97 |
| 9 | 103 |
| 10 | 107 |
| 11 | 149 |
| 12 | 181 |
| 13 | 227 |
| 14 | 271 |
| 15 | 311 |
| 16 | 353 |
| 17 | 379 |
| 18 | 433 |
| 19 | 449 |
| 20 | 563 |
| 21 | 631 |
| 22 | 719 |
| 23 | 761 |
| 24 | 883 |
| 25 | 919 |
| 26 | 941 |
| 27 | 971 |
| 28 | 997 |
| 29 | 1049 |
| 30 | 1087 |
| 31 | 1223 |
| 32 | 1291 |
| 33 | 1297 |
| 34 | 1427 |
| 35 | 1447 |
| 36 | 1453 |
| 37 | 1531 |
| 38 | 1601 |
| 39 | 1627 |
| 40 | 1699 |
| 41 | 1753 |
| 42 | 1831 |
| 43 | 1861 |
| 44 | 1877 |
| 45 | 2039 |
| 46 | 2207 |
| 47 | 2213 |
| 48 | 2239 |
| 49 | 2269 |
| 50 | 2281 |
| 51 | 2287 |