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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -15 |
| 2 | -76 |
| 3 | 10215 |
| 4 | 45980 |
| 5 | -5490375 |
| 6 | -73409236 |
| 7 | 49447113495 |
| 8 | 220167188060 |
| 9 | -47706250419225 |
| 10 | -1061972390305396 |
| 11 | 562541361966308805 |
| 12 | 7513441220176839740 |
| 13 | -2351825254027652790675 |
| 14 | -73293547498840521969556 |
| 15 | 211772841767473901111735175 |
| 16 | 942828841482814629497877020 |
[1,-15,-76,10215,45980,-5490375,-73409236, 49447113495,220167188060,-47706250419225, -1061972390305396,562541361966308805, 7513441220176839740,-2351825254027652790675, -73293547498840521969556, 211772841767473901111735175, 942828841482814629497877020] |