| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -32 |
| 2 | 544 |
| 3 | -6528 |
| 4 | 61984 |
| 5 | -495040 |
| 6 | 3453312 |
| 7 | -21581568 |
| 8 | 123040288 |
| 9 | -648624288 |
| 10 | 3194776000 |
| 11 | -14823993472 |
| 12 | 65231647104 |
| 13 | -273714726080 |
| 14 | 1100198199040 |
| 15 | -4252621927680 |
| 16 | 15859616674336 |
| 17 | -57229459033664 |
[1,-32,544,-6528,61984,-495040,3453312,-21581568, 123040288,-648624288,3194776000,-14823993472, 65231647104,-273714726080,1100198199040, -4252621927680,15859616674336,-57229459033664] |