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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | -63 |
| 3 | 191 |
| 4 | 20097 |
| 5 | -101761 |
| 6 | -15684543 |
| 7 | 111220031 |
| 8 | 22790134017 |
| 9 | -207787349761 |
| 10 | -53204224469823 |
| 11 | 592884985294271 |
| 12 | 182163814109323137 |
| 13 | -2399039130845535361 |
| 14 | -859951431678305715903 |
| 15 | 13067637425459032590911 |
| 16 | 5353347164584370368979457 |
[1,-1,-63,191,20097,-101761,-15684543,111220031, 22790134017,-207787349761,-53204224469823, 592884985294271,182163814109323137, -2399039130845535361,-859951431678305715903, 13067637425459032590911,5353347164584370368979457] |