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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -17 |
| 2 | 409 |
| 3 | -510 |
| 4 | 105599 |
| 5 | -22270 |
| 6 | 783607 |
| 7 | -744770 |
| 8 | 132547199 |
| 9 | -26478486 |
| 10 | 8708240645 |
| 11 | -496587850 |
| 12 | 1903871040587 |
| 13 | -71670092702 |
| 14 | -338854110137 |
| 15 | 12249601191150 |
| 16 | 28492203321193183 |
| 17 | -4370053436967718 |
| 18 | -2259849766310584691 |
| 19 | 1846812141916088230 |
| 20 | 3101187019750975673389 |
[1,-17,409,-510,105599,-22270,783607,-744770, 132547199,-26478486,8708240645,-496587850, 1903871040587,-71670092702,-338854110137, 12249601191150,28492203321193183, -4370053436967718,-2259849766310584691, 1846812141916088230,3101187019750975673389] |