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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 0 |
| 3 | 6 |
| 4 | 0 |
| 5 | 0 |
| 6 | -6 |
| 7 | 24 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | -18 |
| 13 | 0 |
| 14 | -48 |
| 15 | 120 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 18 |
| 25 | -72 |
| 26 | 0 |
| 27 | 0 |
| 28 | -192 |
| 29 | 48 |
| 30 | -360 |
| 31 | 720 |
| 32 | 0 |
| 33 | 0 |
| 34 | 0 |
| 35 | 0 |
| 36 | 0 |
| 37 | 0 |
| 38 | 0 |
| 39 | 0 |
| 40 | 0 |
| 41 | 0 |
| 42 | 0 |
| 43 | 0 |
| 44 | 0 |
| 45 | 0 |
| 46 | 0 |
| 47 | 0 |
| 48 | 54 |
| 49 | 0 |
| 50 | 144 |
| 51 | -360 |
| 52 | 0 |
| 53 | 0 |
| 54 | 0 |
| 55 | 0 |
| 56 | 384 |
| 57 | -960 |
| 58 | 144 |
| 59 | 0 |
| 60 | -1800 |
| 61 | 720 |
| 62 | -2880 |
| 63 | 5040 |
| 64 | 0 |
| 65 | 0 |
| 66 | 0 |
| 67 | 0 |
| 68 | 0 |
| 69 | 0 |
| 70 | 0 |
| 71 | 0 |
| 72 | 0 |
| 73 | 0 |
| 74 | 0 |
| 75 | 0 |
| 76 | 0 |
| 77 | 0 |
| 78 | 0 |
| 79 | 0 |
| 80 | 0 |
| 81 | 0 |
| 82 | 0 |
| 83 | 0 |
| 84 | 0 |
| 85 | 0 |
| 86 | 0 |
| 87 | 0 |
| 88 | 0 |
| 89 | 0 |
| 90 | 0 |
| 91 | 0 |
| 92 | 0 |
| 93 | 0 |
| 94 | 0 |
| 95 | 0 |
| 96 | -54 |
| 97 | 216 |
[1,2,0,6,0,0,-6,24,0,0,0,0,-18,0,-48,120,0,0,0,0, 0,0,0,0,18,-72,0,0,-192,48,-360,720,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,54,0,144,-360,0,0,0,0,384,-960, 144,0,-1800,720,-2880,5040,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-54,216] |