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 | 13 |
| 2 | 137 |
| 3 | 199 |
| 4 | 317 |
| 5 | 379 |
| 6 | 503 |
| 7 | 683 |
| 8 | 739 |
| 9 | 863 |
| 10 | 1049 |
| 11 | 1129 |
| 12 | 1223 |
| 13 | 1229 |
| 14 | 1409 |
| 15 | 1433 |
| 16 | 1471 |
| 17 | 1613 |
| 18 | 1619 |
| 19 | 1831 |
| 20 | 1949 |
| 21 | 1979 |
| 22 | 2011 |
| 23 | 2221 |
| 24 | 2339 |
| 25 | 2543 |
| 26 | 2549 |
| 27 | 2729 |
| 28 | 2791 |
| 29 | 2909 |
| 30 | 2917 |
| 31 | 2971 |
| 32 | 3089 |
| 33 | 3137 |
| 34 | 3299 |
| 35 | 3307 |
| 36 | 3323 |
| 37 | 3331 |
| 38 | 3361 |
| 39 | 3511 |
| 40 | 3541 |
| 41 | 3659 |
| 42 | 3863 |
| 43 | 3877 |
| 44 | 3931 |
| 45 | 4049 |