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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 17 |
| 3 | -395 |
| 4 | 13345 |
| 5 | -592299 |
| 6 | 32630401 |
| 7 | -2148740061 |
| 8 | 164682639745 |
| 9 | -14401797806195 |
| 10 | 1415344434226801 |
| 11 | -154426458074411313 |
| 12 | 18523291145011712929 |
| 13 | -2422743610992855309925 |
| 14 | 343167234011405980982625 |
[1,-1,17,-395,13345,-592299,32630401,-2148740061, 164682639745,-14401797806195,1415344434226801, -154426458074411313,18523291145011712929, -2422743610992855309925,343167234011405980982625] |