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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -124 |
| 2 | 21002 |
| 3 | -4016872 |
| 4 | 809288755 |
| 5 | -167876361244 |
| 6 | 35484423032510 |
| 7 | -7599636959859112 |
| 8 | 1643483711343623769 |
| 9 | -358082233874320665600 |
| 10 | 78482787856608918842534 |
| 11 | -17284562763499415545585456 |
| 12 | 3821876235203430873578026310 |
[1,-124,21002,-4016872,809288755,-167876361244, 35484423032510,-7599636959859112, 1643483711343623769,-358082233874320665600, 78482787856608918842534, -17284562763499415545585456, 3821876235203430873578026310] |