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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 0 |
| 4 | -7 |
| 5 | -12 |
| 6 | 0 |
| 7 | 32 |
| 8 | 50 |
| 9 | 0 |
| 10 | -114 |
| 11 | -168 |
| 12 | 0 |
| 13 | 350 |
| 14 | 496 |
| 15 | 0 |
| 16 | -967 |
| 17 | -1332 |
| 18 | 0 |
| 19 | 2468 |
| 20 | 3324 |
| 21 | 0 |
| 22 | -5916 |
| 23 | -7824 |
| 24 | 0 |
| 25 | 13471 |
| 26 | 17548 |
| 27 | 0 |
| 28 | -29384 |
| 29 | -37788 |
| 30 | 0 |
| 31 | 61784 |
| 32 | 78578 |
| 33 | 0 |
| 34 | -125838 |
| 35 | -158496 |
| 36 | 0 |
| 37 | 249230 |
| 38 | 311224 |
| 39 | 0 |
| 40 | -481506 |
| 41 | -596676 |
| 42 | 0 |
| 43 | 909788 |
| 44 | 1119624 |
| 45 | 0 |
| 46 | -1684824 |
| 47 | -2060448 |
| 48 | 0 |
[1,2,0,-7,-12,0,32,50,0,-114,-168,0,350,496,0, -967,-1332,0,2468,3324,0,-5916,-7824,0,13471, 17548,0,-29384,-37788,0,61784,78578,0,-125838, -158496,0,249230,311224,0,-481506,-596676,0, 909788,1119624,0,-1684824,-2060448,0] |