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) |
|---|---|
| 0 | 27 |
| 1 | 5445 |
| 2 | 8085 |
| 3 | 18711 |
| 4 | 22275 |
| 5 | 658845 |
| 6 | 868095 |
| 7 | 978285 |
| 8 | 1164625 |
| 9 | 1452605 |
| 10 | 2695275 |
| 11 | 2898693 |
| 12 | 3622365 |
| 13 | 4002075 |
| 14 | 4222911 |
| 15 | 4764375 |
| 16 | 5671875 |
| 17 | 5942475 |
| 18 | 7074375 |
| 19 | 8421875 |
| 20 | 8582203 |
| 21 | 9261945 |
| 22 | 10637825 |
| 23 | 11026125 |
| 24 | 13752585 |
| 25 | 16372125 |
| 26 | 17275545 |