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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -984 |
| 2 | 393768 |
| 3 | -129252576 |
| 4 | 38684099112 |
| 5 | -10970838627984 |
| 6 | 3003345011096352 |
| 7 | -801909012374388672 |
| 8 | 210169391033048138280 |
| 9 | -54295810529811041175672 |
| 10 | 13867098270790394508774768 |
| 11 | -3508693915623201191415922848 |
[1,-984,393768,-129252576,38684099112, -10970838627984,3003345011096352, -801909012374388672,210169391033048138280, -54295810529811041175672, 13867098270790394508774768, -3508693915623201191415922848] |