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| n | a(n) |
|---|---|
| 0 | -1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | -1 |
| 8 | 3 |
| 9 | -1 |
| 10 | 1 |
| 11 | -2 |
| 12 | 6 |
| 13 | -4 |
| 14 | 1 |
| 15 | 1 |
| 16 | -3 |
| 17 | 10 |
| 18 | -10 |
| 19 | 5 |
| 20 | -1 |
| 21 | 1 |
| 22 | -4 |
| 23 | 15 |
| 24 | -20 |
| 25 | 15 |
| 26 | -6 |
| 27 | 1 |
| 28 | 1 |
| 29 | -5 |
| 30 | 21 |
| 31 | -35 |
| 32 | 35 |
| 33 | -21 |
| 34 | 7 |
| 35 | -1 |
| 36 | 1 |
| 37 | -6 |
| 38 | 28 |
| 39 | -56 |
| 40 | 70 |
| 41 | -56 |
| 42 | 28 |
| 43 | -8 |
| 44 | 1 |
| 45 | 1 |
| 46 | -7 |
| 47 | 36 |
| 48 | -84 |
| 49 | 126 |
| 50 | -126 |
| 51 | 84 |
| 52 | -36 |
| 53 | 9 |
| 54 | -1 |
[-1,1,1,1,0,1,1,-1,3,-1,1,-2,6,-4,1,1,-3,10,-10,5, -1,1,-4,15,-20,15,-6,1,1,-5,21,-35,35,-21,7,-1,1, -6,28,-56,70,-56,28,-8,1,1,-7,36,-84,126,-126,84, -36,9,-1] |