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 | 9 |
| 2 | 324 |
| 3 | 729 |
| 4 | 104976 |
| 5 | 236196 |
| 6 | 34012224 |
| 7 | 76527504 |
| 8 | 11019960576 |
| 9 | 24794911296 |
| 10 | 3570467226624 |
| 11 | 8033551259904 |
| 12 | 1156831381426176 |
| 13 | 2602870608208896 |
| 14 | 374813367582081024 |
| 15 | 843330077059682304 |
| 16 | 121439531096594251776 |