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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -1295 |
| 3 | -11663 |
| 4 | 3732481 |
| 5 | 94348801 |
| 6 | -12754875599 |
| 7 | -662010720335 |
| 8 | 43350090126337 |
| 9 | 4277886247480321 |
| 10 | -117993200918257295 |
| 11 | -25968226221675142415 |
| 12 | 13219198014412583425 |
| 13 | 148460113964113254411265 |
[1,1,-1295,-11663,3732481,94348801,-12754875599, -662010720335,43350090126337,4277886247480321, -117993200918257295,-25968226221675142415, 13219198014412583425,148460113964113254411265] |