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 | 81 |
| 1 | 2401 |
| 2 | 14641 |
| 3 | 50625 |
| 4 | 130321 |
| 5 | 279841 |
| 6 | 531441 |
| 7 | 923521 |
| 8 | 1500625 |
| 9 | 2313441 |
| 10 | 3418801 |
| 11 | 4879681 |
| 12 | 6765201 |
| 13 | 9150625 |
| 14 | 12117361 |
| 15 | 15752961 |
| 16 | 20151121 |
| 17 | 25411681 |
| 18 | 31640625 |
| 19 | 38950081 |
| 20 | 47458321 |
| 21 | 57289761 |