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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -7 |
| 2 | -18 |
| 3 | 1099 |
| 4 | 2502 |
| 5 | -135247 |
| 6 | -914058 |
| 7 | 278640803 |
| 8 | 627079302 |
| 9 | -61491355177 |
| 10 | -691854229098 |
| 11 | 165853074191329 |
| 12 | 1119618748420902 |
| 13 | -158600253933384907 |
| 14 | -2498197283109211338 |
| 15 | 3266621368881927679651 |
| 16 | 7350612843632165455302 |
| 17 | -1361643264763393114646437 |
[1,-7,-18,1099,2502,-135247,-914058,278640803, 627079302,-61491355177,-691854229098, 165853074191329,1119618748420902, -158600253933384907,-2498197283109211338, 3266621368881927679651,7350612843632165455302, -1361643264763393114646437] |