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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -3 |
| 3 | 145 |
| 4 | -30387 |
| 5 | 18679617 |
| 6 | -26803260803 |
| 7 | 77353020714385 |
| 8 | -404535275568018675 |
| 9 | 3549234532076766553345 |
| 10 | -49229723962583667383946627 |
| 11 | 1029832211736651371216044918545 |
| 12 | -31268568254841953960372886191151027 |
| 13 | 1334906928427509184281346959773339772225 |
| 14 | -78012770566348351689107952332333282624922627 |
| 15 | 6099837292096665113931066754236355624385178671377 |
[1,-3,145,-30387,18679617,-26803260803, 77353020714385,-404535275568018675, 3549234532076766553345, -49229723962583667383946627, 1029832211736651371216044918545, -31268568254841953960372886191151027, 1334906928427509184281346959773339772225, -78012770566348351689107952332333282624922627, 6099837292096665113931066754236355624385178671377] |