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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | -10 |
| 4 | 840 |
| 5 | -60870 |
| 6 | 5042180 |
| 7 | -535134730 |
| 8 | 75998689520 |
| 9 | -14286917494990 |
| 10 | 3407940125324860 |
| 11 | -990760306939592050 |
| 12 | 342314173738467052200 |
| 13 | -138600427075503715528310 |
| 14 | 65139256364305112582847540 |
[1,0,0,-10,840,-60870,5042180,-535134730, 75998689520,-14286917494990,3407940125324860, -990760306939592050,342314173738467052200, -138600427075503715528310, 65139256364305112582847540] |