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 | 64 |
| 1 | 531441 |
| 2 | 16777216 |
| 3 | 148035889 |
| 4 | 729000000 |
| 5 | 2565726409 |
| 6 | 7256313856 |
| 7 | 17596287801 |
| 8 | 38068692544 |
| 9 | 75418890625 |
| 10 | 139314069504 |
| 11 | 243087455521 |
| 12 | 404567235136 |
| 13 | 646990183449 |
| 14 | 1000000000000 |
| 15 | 1500730351849 |
| 16 | 2194972623936 |
| 17 | 3138428376721 |
| 18 | 4398046511104 |
| 19 | 6053445140625 |