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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 34 |
| 2 | -302 |
| 3 | -109412 |
| 4 | -2399060 |
| 5 | 556522744 |
| 6 | 36410920696 |
| 7 | -3630489660848 |
| 8 | -495046505092208 |
| 9 | 25514450230996000 |
| 10 | 7363491547673817376 |
| 11 | -121641971747011889216 |
| 12 | -122231504480991087309632 |
| 13 | -2027623214667976954804352 |
| 14 | 2247836746633993852403416960 |
[1,34,-302,-109412,-2399060,556522744,36410920696, -3630489660848,-495046505092208,25514450230996000, 7363491547673817376,-121641971747011889216, -122231504480991087309632, -2027623214667976954804352, 2247836746633993852403416960] |