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 | 101 |
| 2 | 269 |
| 3 | 389 |
| 4 | 601 |
| 5 | 641 |
| 6 | 701 |
| 7 | 1049 |
| 8 | 1069 |
| 9 | 1361 |
| 10 | 1481 |
| 11 | 1609 |
| 12 | 1741 |
| 13 | 1949 |
| 14 | 2029 |
| 15 | 2129 |
| 16 | 2341 |
| 17 | 2389 |
| 18 | 2521 |
| 19 | 2861 |
| 20 | 3181 |
| 21 | 3221 |
| 22 | 3301 |
| 23 | 3329 |
| 24 | 3389 |
| 25 | 3709 |
| 26 | 3761 |
| 27 | 3929 |
| 28 | 4021 |
| 29 | 4229 |
| 30 | 4241 |
| 31 | 4289 |
| 32 | 4421 |
| 33 | 4481 |
| 34 | 4549 |