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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1023 |
| 3 | 59050 |
| 4 | -1049599 |
| 5 | 9765626 |
| 6 | -60408150 |
| 7 | 282475250 |
| 8 | -1074791423 |
| 9 | 3486843451 |
| 10 | -9990235398 |
| 11 | 25937424602 |
| 12 | -61978820950 |
| 13 | 137858491850 |
| 14 | -288972180750 |
| 15 | 576660215300 |
| 16 | -1100586419199 |
| 17 | 2015993900450 |
| 18 | -3567040850373 |
| 19 | 6131066257802 |
| 20 | -10249991283974 |
| 21 | 16680163512500 |
| 22 | -26533985367846 |
| 23 | 41426511213650 |
[1,-1023,59050,-1049599,9765626,-60408150, 282475250,-1074791423,3486843451,-9990235398, 25937424602,-61978820950,137858491850, -288972180750,576660215300,-1100586419199, 2015993900450,-3567040850373,6131066257802, -10249991283974,16680163512500,-26533985367846, 41426511213650] |