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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -10 |
| 3 | 256 |
| 4 | -13840 |
| 5 | 1282816 |
| 6 | -181649920 |
| 7 | 36478744576 |
| 8 | -9861412096000 |
| 9 | 3452931391553536 |
| 10 | -1520176422094766080 |
| 11 | 821908023102140317696 |
| 12 | -535369559186849435484160 |
| 13 | 413508899951810581475885056 |
| 14 | -373681769282729298809313034240 |
| 15 | 390605070751731814007608616943616 |
[0,1,-10,256,-13840,1282816,-181649920, 36478744576,-9861412096000,3452931391553536, -1520176422094766080,821908023102140317696, -535369559186849435484160, 413508899951810581475885056, -373681769282729298809313034240, 390605070751731814007608616943616] |