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 | 5 |
| 2 | 89 |
| 3 | 1409 |
| 4 | 1889 |
| 5 | 10589 |
| 6 | 11549 |
| 7 | 11909 |
| 8 | 12899 |
| 9 | 17159 |
| 10 | 19889 |
| 11 | 22349 |
| 12 | 24239 |
| 13 | 26189 |
| 14 | 35999 |
| 15 | 37049 |
| 16 | 37379 |
| 17 | 39419 |
| 18 | 44879 |
| 19 | 45569 |
| 20 | 49919 |
| 21 | 60779 |
| 22 | 67559 |
| 23 | 68669 |
| 24 | 75329 |
| 25 | 83579 |
| 26 | 88919 |
| 27 | 104369 |
| 28 | 108359 |
| 29 | 112349 |
| 30 | 114599 |
| 31 | 127139 |
| 32 | 133979 |
| 33 | 135029 |
| 34 | 135449 |