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| n | a(n) |
|---|---|
| 1 | -240 |
| 2 | 26760 |
| 3 | -4096240 |
| 4 | 708938760 |
| 5 | -130880766192 |
| 6 | 25168873498760 |
| 7 | -4978357936128240 |
| 8 | 1005225129317834760 |
| 9 | -206195878414962688240 |
| 10 | 42824436296045618358408 |
| 11 | -8983966738037593190400240 |
| 12 | 1900416270294787067711818760 |
| 13 | -404814256845771786255876096240 |
| 14 | 86744167089111545378556727322760 |
[-240,26760,-4096240,708938760,-130880766192, 25168873498760,-4978357936128240, 1005225129317834760,-206195878414962688240, 42824436296045618358408, -8983966738037593190400240, 1900416270294787067711818760, -404814256845771786255876096240, 86744167089111545378556727322760] |