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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -192 |
| 2 | -4608 |
| 3 | -9494784 |
| 4 | -1988603904 |
| 5 | -1136127187584 |
| 6 | -419383041398784 |
| 7 | -200225564597488128 |
| 8 | -88040635024586342400 |
| 9 | -41470393697874515307456 |
| 10 | -19381646100387803980004352 |
| 11 | -9267227811160245194038205184 |
[1,-192,-4608,-9494784,-1988603904,-1136127187584, -419383041398784,-200225564597488128, -88040635024586342400,-41470393697874515307456, -19381646100387803980004352, -9267227811160245194038205184] |