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 | 0 |
| 1 | 1728 |
| 2 | -3375 |
| 3 | 8000 |
| 4 | -32768 |
| 5 | 54000 |
| 6 | 287496 |
| 7 | -884736 |
| 8 | -12288000 |
| 9 | 16581375 |
| 10 | -884736000 |
| 11 | -147197952000 |
| 12 | -262537412640768000 |