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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | 1 |
| 4 | 2 |
| 5 | -3 |
| 6 | 1 |
| 7 | -6 |
| 8 | 12 |
| 9 | -4 |
| 10 | -3 |
| 11 | 1 |
| 12 | 24 |
| 13 | -60 |
| 14 | 20 |
| 15 | 30 |
| 16 | -5 |
| 17 | -10 |
| 18 | 1 |
| 19 | -120 |
| 20 | 360 |
| 21 | -120 |
| 22 | -270 |
| 23 | 30 |
| 24 | 120 |
| 25 | 30 |
| 26 | -6 |
| 27 | -15 |
| 28 | -10 |
| 29 | 1 |
| 30 | 720 |
| 31 | -2520 |
| 32 | 840 |
| 33 | 2520 |
| 34 | -210 |
| 35 | -1260 |
| 36 | -630 |
| 37 | 42 |
| 38 | 210 |
| 39 | 140 |
| 40 | 210 |
| 41 | -7 |
| 42 | -21 |
| 43 | -35 |
| 44 | 1 |
[1,-1,1,2,-3,1,-6,12,-4,-3,1,24,-60,20,30,-5,-10, 1,-120,360,-120,-270,30,120,30,-6,-15,-10,1,720, -2520,840,2520,-210,-1260,-630,42,210,140,210,-7, -21,-35,1] |