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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | -160 |
| 4 | 1792 |
| 5 | -484224 |
| 6 | 38725632 |
| 7 | -8292976640 |
| 8 | 1743232565248 |
| 9 | -521161362997248 |
| 10 | 188842450602393600 |
| 11 | -83511992640895975424 |
| 12 | 44545415648776825077760 |
| 13 | -27875257165637958804439040 |
[1,0,0,-160,1792,-484224,38725632,-8292976640, 1743232565248,-521161362997248,188842450602393600, -83511992640895975424,44545415648776825077760, -27875257165637958804439040] |