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 | 1 |
| 1 | 1 |
| 2 | 8 |
| 3 | 54 |
| 4 | 512 |
| 5 | 6250 |
| 6 | 93312 |
| 7 | 1647086 |
| 8 | 33554432 |
| 9 | 774840978 |
| 10 | 20000000000 |
| 11 | 570623341222 |
| 12 | 17832200896512 |
| 13 | 605750213184506 |
| 14 | 22224013651116032 |
| 15 | 875787780761718750 |
| 16 | 36893488147419103232 |
| 17 | 1654480523772673528354 |