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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 1 |
| 3 | 8 |
| 4 | -4 |
| 5 | 1 |
| 6 | -50 |
| 7 | 24 |
| 8 | -6 |
| 9 | 1 |
| 10 | 416 |
| 11 | -200 |
| 12 | 48 |
| 13 | -8 |
| 14 | 1 |
| 15 | -4322 |
| 16 | 2080 |
| 17 | -500 |
| 18 | 80 |
| 19 | -10 |
| 20 | 1 |
| 21 | 53888 |
| 22 | -25932 |
| 23 | 6240 |
| 24 | -1000 |
| 25 | 120 |
| 26 | -12 |
| 27 | 1 |
| 28 | -783890 |
| 29 | 377216 |
| 30 | -90762 |
| 31 | 14560 |
| 32 | -1750 |
| 33 | 168 |
| 34 | -14 |
| 35 | 1 |
| 36 | 13031936 |
| 37 | -6271120 |
| 38 | 1508864 |
| 39 | -242032 |
| 40 | 29120 |
| 41 | -2800 |
| 42 | 224 |
| 43 | -16 |
| 44 | 1 |
[1,-2,1,8,-4,1,-50,24,-6,1,416,-200,48,-8,1,-4322, 2080,-500,80,-10,1,53888,-25932,6240,-1000,120, -12,1,-783890,377216,-90762,14560,-1750,168,-14,1, 13031936,-6271120,1508864,-242032,29120,-2800,224, -16,1] |