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 | 4 |
| 2 | 9 |
| 3 | 64 |
| 4 | 81 |
| 5 | 625 |
| 6 | 1681 |
| 7 | 4096 |
| 8 | 822649 |
| 9 | 1324801 |
| 10 | 2411809 |
| 11 | 2588881 |
| 12 | 2778889 |
| 13 | 3243601 |
| 14 | 3636649 |
| 15 | 3736489 |
| 16 | 5527201 |
| 17 | 6115729 |
| 18 | 6405961 |
| 19 | 8720209 |
| 20 | 9006001 |
| 21 | 12752041 |
| 22 | 16056049 |
| 23 | 16589329 |
| 24 | 18088009 |
| 25 | 21743569 |
| 26 | 25230529 |
| 27 | 29343889 |
| 28 | 34586161 |
| 29 | 37736449 |
| 30 | 39150049 |