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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | -1 |
| 4 | -1 |
| 5 | -3 |
| 6 | 0 |
| 7 | 2 |
| 8 | 4 |
| 9 | 0 |
| 10 | -12 |
| 11 | 0 |
| 12 | 8 |
| 13 | -1 |
| 14 | 15 |
| 15 | 0 |
| 16 | -40 |
| 17 | 0 |
| 18 | 24 |
| 19 | -4 |
| 20 | 0 |
| 21 | 60 |
| 22 | 0 |
| 23 | -120 |
| 24 | 0 |
| 25 | 64 |
| 26 | -1 |
| 27 | -35 |
| 28 | 0 |
| 29 | 210 |
| 30 | 0 |
| 31 | -336 |
| 32 | 0 |
| 33 | 160 |
| 34 | 8 |
| 35 | 0 |
| 36 | -168 |
| 37 | 0 |
| 38 | 672 |
| 39 | 0 |
| 40 | -896 |
| 41 | 0 |
| 42 | 384 |
| 43 | -1 |
| 44 | 63 |
| 45 | 0 |
| 46 | -672 |
| 47 | 0 |
| 48 | 2016 |
| 49 | 0 |
| 50 | -2304 |
| 51 | 0 |
| 52 | 896 |
| 53 | -8 |
| 54 | 0 |
| 55 | 360 |
| 56 | 0 |
| 57 | -2400 |
| 58 | 0 |
| 59 | 5760 |
| 60 | 0 |
| 61 | -5760 |
| 62 | 0 |
| 63 | 2048 |
| 64 | -1 |
| 65 | -99 |
| 66 | 0 |
| 67 | 1650 |
| 68 | 0 |
| 69 | -7920 |
| 70 | 0 |
| 71 | 15840 |
| 72 | 0 |
| 73 | -14080 |
| 74 | 0 |
| 75 | 4608 |
[1,-1,-1,-1,-3,0,2,4,0,-12,0,8,-1,15,0,-40,0,24, -4,0,60,0,-120,0,64,-1,-35,0,210,0,-336,0,160,8,0, -168,0,672,0,-896,0,384,-1,63,0,-672,0,2016,0, -2304,0,896,-8,0,360,0,-2400,0,5760,0,-5760,0, 2048,-1,-99,0,1650,0,-7920,0,15840,0,-14080,0, 4608] |