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 | 3 |
| 2 | 19 |
| 3 | 29 |
| 4 | 41 |
| 5 | 101 |
| 6 | 109 |
| 7 | 127 |
| 8 | 281 |
| 9 | 293 |
| 10 | 353 |
| 11 | 509 |
| 12 | 523 |
| 13 | 743 |
| 14 | 821 |
| 15 | 853 |
| 16 | 919 |
| 17 | 1019 |
| 18 | 1193 |
| 19 | 1229 |
| 20 | 1283 |
| 21 | 1301 |
| 22 | 2503 |
| 23 | 2683 |
| 24 | 2797 |
| 25 | 2843 |
| 26 | 3221 |
| 27 | 3637 |
| 28 | 3863 |
| 29 | 4093 |
| 30 | 4327 |
| 31 | 4889 |
| 32 | 4943 |
| 33 | 5897 |
| 34 | 6451 |
| 35 | 6481 |
| 36 | 6659 |
| 37 | 6689 |
| 38 | 6719 |
| 39 | 6779 |
| 40 | 6869 |
| 41 | 6899 |
| 42 | 7541 |
| 43 | 7603 |
| 44 | 7759 |
| 45 | 7853 |
| 46 | 8423 |