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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | -1 |
| 6 | 2 |
| 7 | -2 |
| 8 | 1 |
| 9 | 0 |
| 10 | 0 |
| 11 | -2 |
| 12 | 5 |
| 13 | -5 |
| 14 | 2 |
| 15 | 0 |
| 16 | 1 |
| 17 | -5 |
| 18 | 10 |
| 19 | -10 |
| 20 | 5 |
| 21 | -1 |
| 22 | 2 |
| 23 | -10 |
| 24 | 20 |
| 25 | -20 |
| 26 | 10 |
| 27 | -2 |
| 28 | 5 |
| 29 | -20 |
| 30 | 36 |
| 31 | -36 |
| 32 | 20 |
| 33 | -6 |
| 34 | 10 |
| 35 | -36 |
| 36 | 65 |
| 37 | -65 |
| 38 | 36 |
| 39 | -12 |
| 40 | 21 |
| 41 | -65 |
| 42 | 110 |
| 43 | -110 |
| 44 | 65 |
| 45 | -25 |
| 46 | 38 |
| 47 | -110 |
| 48 | 185 |
| 49 | -185 |
| 50 | 110 |
| 51 | -46 |
| 52 | 70 |
| 53 | -185 |
| 54 | 300 |
| 55 | -300 |
| 56 | 186 |
| 57 | -85 |
| 58 | 120 |
| 59 | -300 |
| 60 | 481 |
[1,-1,0,0,0,-1,2,-2,1,0,0,-2,5,-5,2,0,1,-5,10,-10, 5,-1,2,-10,20,-20,10,-2,5,-20,36,-36,20,-6,10,-36, 65,-65,36,-12,21,-65,110,-110,65,-25,38,-110,185, -185,110,-46,70,-185,300,-300,186,-85,120,-300, 481] |