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 | 2909 |
| 2 | 4349 |
| 3 | 8093 |
| 4 | 24329 |
| 5 | 57593 |
| 6 | 72893 |
| 7 | 93629 |
| 8 | 224669 |
| 9 | 324893 |
| 10 | 331769 |
| 11 | 404489 |
| 12 | 562493 |
| 13 | 608393 |
| 14 | 1166393 |
| 15 | 1742393 |
| 16 | 1822493 |
| 17 | 4137149 |
| 18 | 4639709 |
| 19 | 5788829 |
| 20 | 7289993 |
| 21 | 7617593 |
| 22 | 10265609 |
| 23 | 10497593 |
| 24 | 10929629 |
| 25 | 12110393 |
| 26 | 12362249 |
| 27 | 14107529 |
| 28 | 14243069 |