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 | 64 |
| 2 | 15625 |
| 3 | 262144 |
| 4 | 1000000 |
| 5 | 4826809 |
| 6 | 24137569 |
| 7 | 34012224 |
| 8 | 64000000 |
| 9 | 244140625 |
| 10 | 308915776 |
| 11 | 594823321 |
| 12 | 1073741824 |
| 13 | 1544804416 |
| 14 | 2565726409 |
| 15 | 4096000000 |
| 16 | 4750104241 |
| 17 | 8303765625 |
| 18 | 15625000000 |
| 19 | 19770609664 |
| 20 | 22164361129 |
| 21 | 38068692544 |