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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -3 |
| 3 | 2 |
| 4 | 0 |
| 5 | 1 |
| 6 | -12 |
| 7 | 63 |
| 8 | -190 |
| 9 | 363 |
| 10 | -455 |
| 11 | 370 |
| 12 | -180 |
| 13 | 40 |
| 14 | 0 |
| 15 | 1 |
| 16 | -39 |
| 17 | 732 |
| 18 | -8806 |
| 19 | 76293 |
| 20 | -507084 |
| 21 | 2689452 |
| 22 | -11689056 |
| 23 | 42424338 |
| 24 | -130362394 |
| 25 | 342624075 |
| 26 | -776022242 |
| 27 | 1522861581 |
| 28 | -2598606825 |
| 29 | 3863562996 |
| 30 | -5007519752 |
| 31 | 5652058863 |
| 32 | -5541107684 |
| 33 | 4697231261 |
[1,-3,2,0,1,-12,63,-190,363,-455,370,-180,40,0,1, -39,732,-8806,76293,-507084,2689452,-11689056, 42424338,-130362394,342624075,-776022242, 1522861581,-2598606825,3863562996,-5007519752, 5652058863,-5541107684,4697231261] |