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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 10 |
| 4 | -840 |
| 5 | 60870 |
| 6 | -4949780 |
| 7 | 484684330 |
| 8 | -57168678320 |
| 9 | 7957246947790 |
| 10 | -1270811040444460 |
| 11 | 224172849477365650 |
| 12 | -40867049294767840200 |
| 13 | 6397467145495026664310 |
| 14 | 40199264206917072158460 |
[1,0,0,10,-840,60870,-4949780,484684330, -57168678320,7957246947790,-1270811040444460, 224172849477365650,-40867049294767840200, 6397467145495026664310,40199264206917072158460] |