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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | -2 |
| 3 | 4 |
| 4 | -12 |
| 5 | 8 |
| 6 | 12 |
| 7 | -48 |
| 8 | 16 |
| 9 | 120 |
| 10 | -160 |
| 11 | 32 |
| 12 | -120 |
| 13 | 720 |
| 14 | -480 |
| 15 | 64 |
| 16 | -1680 |
| 17 | 3360 |
| 18 | -1344 |
| 19 | 128 |
| 20 | 1680 |
| 21 | -13440 |
| 22 | 13440 |
| 23 | -3584 |
| 24 | 256 |
| 25 | 30240 |
| 26 | -80640 |
| 27 | 48384 |
| 28 | -9216 |
| 29 | 512 |
| 30 | -30240 |
| 31 | 302400 |
| 32 | -403200 |
| 33 | 161280 |
| 34 | -23040 |
| 35 | 1024 |
| 36 | -665280 |
| 37 | 2217600 |
| 38 | -1774080 |
| 39 | 506880 |
| 40 | -56320 |
| 41 | 2048 |
| 42 | 665280 |
| 43 | -7983360 |
| 44 | 13305600 |
[1,2,-2,4,-12,8,12,-48,16,120,-160,32,-120,720, -480,64,-1680,3360,-1344,128,1680,-13440,13440, -3584,256,30240,-80640,48384,-9216,512,-30240, 302400,-403200,161280,-23040,1024,-665280,2217600, -1774080,506880,-56320,2048,665280,-7983360, 13305600] |