| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 124 |
| 2 | -5626 |
| 3 | 715000 |
| 4 | -104379375 |
| 5 | 16966161252 |
| 6 | -2946652593626 |
| 7 | 535467806605000 |
| 8 | -100554207738307500 |
| 9 | 19359037551684042500 |
| 10 | -3800593180746056684372 |
| 11 | 757968936254309704500248 |
| 12 | -153133996443087103652605627 |
[1,124,-5626,715000,-104379375,16966161252, -2946652593626,535467806605000, -100554207738307500,19359037551684042500, -3800593180746056684372,757968936254309704500248, -153133996443087103652605627] |