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| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | -107 |
| 4 | 10 |
| 5 | 59845 |
| 6 | -7497 |
| 7 | 210 |
| 8 | -6059823 |
| 9 | 854396 |
| 10 | -35574 |
| 11 | 420 |
| 12 | 5508149745 |
| 13 | -827924889 |
| 14 | 41094790 |
| 15 | -765534 |
| 16 | 4620 |
| 17 | -8781562891079 |
| 18 | 1373931797082 |
| 19 | -75405128227 |
| 20 | 1738417252 |
| 21 | -17219202 |
| 22 | 60060 |
[1,-107,10,59845,-7497,210,-6059823,854396,-35574, 420,5508149745,-827924889,41094790,-765534,4620, -8781562891079,1373931797082,-75405128227, 1738417252,-17219202,60060] |