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 | 0 |
| 2 | 256 |
| 3 | 6561 |
| 4 | 65536 |
| 5 | 390625 |
| 6 | 1679872 |
| 7 | 5764801 |
| 8 | 16777216 |
| 9 | 43053282 |
| 10 | 100000256 |
| 11 | 214358881 |
| 12 | 430047232 |
| 13 | 815730721 |
| 14 | 1475789312 |
| 15 | 2563287811 |
| 16 | 4294967296 |
| 17 | 6975757441 |
| 18 | 11021640448 |
| 19 | 16983563041 |
| 20 | 25600065536 |
| 21 | 37828630723 |
| 22 | 54875873792 |
| 23 | 78310985281 |
| 24 | 110092091392 |
| 25 | 152588281250 |