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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -3 |
| 3 | 1 |
| 4 | 12 |
| 5 | -9 |
| 6 | 1 |
| 7 | -60 |
| 8 | 72 |
| 9 | -9 |
| 10 | -12 |
| 11 | 1 |
| 12 | 360 |
| 13 | -600 |
| 14 | 180 |
| 15 | 120 |
| 16 | -30 |
| 17 | -15 |
| 18 | 1 |
| 19 | -2520 |
| 20 | 5400 |
| 21 | -2700 |
| 22 | -1200 |
| 23 | 180 |
| 24 | 720 |
| 25 | 180 |
| 26 | -30 |
| 27 | -45 |
| 28 | -18 |
| 29 | 1 |
| 30 | 20160 |
| 31 | -52920 |
| 32 | 37800 |
| 33 | 12600 |
| 34 | -6300 |
| 35 | -12600 |
| 36 | -2100 |
| 37 | 1260 |
| 38 | 840 |
| 39 | 1260 |
| 40 | 252 |
| 41 | -105 |
| 42 | -63 |
| 43 | -21 |
| 44 | 1 |
[1,1,-3,1,12,-9,1,-60,72,-9,-12,1,360,-600,180, 120,-30,-15,1,-2520,5400,-2700,-1200,180,720,180, -30,-45,-18,1,20160,-52920,37800,12600,-6300, -12600,-2100,1260,840,1260,252,-105,-63,-21,1] |