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 | 389 |
| 2 | 401 |
| 3 | 421 |
| 4 | 449 |
| 5 | 641 |
| 6 | 709 |
| 7 | 1061 |
| 8 | 1409 |
| 9 | 1549 |
| 10 | 1621 |
| 11 | 1709 |
| 12 | 1901 |
| 13 | 2069 |
| 14 | 2269 |
| 15 | 2381 |
| 16 | 2689 |
| 17 | 2909 |
| 18 | 3061 |
| 19 | 3089 |
| 20 | 3221 |
| 21 | 3301 |
| 22 | 3389 |
| 23 | 3469 |
| 24 | 3529 |
| 25 | 4229 |
| 26 | 4349 |
| 27 | 4481 |
| 28 | 4621 |
| 29 | 4789 |
| 30 | 4909 |
| 31 | 5009 |
| 32 | 5021 |
| 33 | 5261 |
| 34 | 5569 |
| 35 | 5581 |
| 36 | 5861 |
| 37 | 6029 |
| 38 | 6301 |
| 39 | 6329 |
| 40 | 6449 |
| 41 | 6469 |