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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -1 |
| 3 | 1 |
| 4 | -2 |
| 5 | 4 |
| 6 | -2 |
| 7 | 1 |
| 8 | 2 |
| 9 | 12 |
| 10 | -24 |
| 11 | 34 |
| 12 | -24 |
| 13 | 6 |
| 14 | -2 |
| 15 | 24 |
| 16 | 24 |
| 17 | 156 |
| 18 | -384 |
| 19 | 450 |
| 20 | -336 |
| 21 | 144 |
| 22 | -24 |
| 23 | 6 |
| 24 | 216 |
| 25 | 840 |
| 26 | -480 |
| 27 | 2640 |
| 28 | -7080 |
| 29 | 8592 |
| 30 | -6360 |
| 31 | 3120 |
| 32 | -960 |
| 33 | 120 |
| 34 | -24 |
| 35 | 3000 |
| 36 | 10080 |
| 37 | 16920 |
| 38 | -37200 |
| 39 | 72000 |
| 40 | -154800 |
| 41 | 198360 |
| 42 | -156960 |
| 43 | 82800 |
| 44 | -30000 |
| 45 | 7200 |
| 46 | -720 |
| 47 | 120 |
[0,1,-1,1,-2,4,-2,1,2,12,-24,34,-24,6,-2,24,24, 156,-384,450,-336,144,-24,6,216,840,-480,2640, -7080,8592,-6360,3120,-960,120,-24,3000,10080, 16920,-37200,72000,-154800,198360,-156960,82800, -30000,7200,-720,120] |