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| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 744 |
| 1 | -196884 |
| 2 | 167975456 |
| 3 | -180592706130 |
| 4 | 217940004309743 |
| 5 | -19517553165954887 |
| 6 | 74085136650518742 |
| 7 | -131326907606533204 |
[1,744,-196884,167975456,-180592706130, 217940004309743,-19517553165954887, 74085136650518742,-131326907606533204] |