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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 5 |
| 3 | 17 |
| 4 | 17 |
| 5 | -8151 |
| 6 | -311435 |
| 7 | -777974 |
| 8 | 927723585 |
| 9 | 82906687673 |
| 10 | 1693962380101 |
| 11 | -707005824990631 |
| 12 | -137258747025993071 |
| 13 | -10253960705018807830 |
| 14 | 1697644859939460151413 |
| 15 | 803696888217607331079149 |
| 16 | 148126297324647875348070657 |
| 17 | -323461353221296480463456191 |
[1,-2,5,17,17,-8151,-311435,-777974,927723585, 82906687673,1693962380101,-707005824990631, -137258747025993071,-10253960705018807830, 1697644859939460151413,803696888217607331079149, 148126297324647875348070657, -323461353221296480463456191] |