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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | -1 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | -1 |
| 8 | 1 |
| 9 | 0 |
| 10 | -1 |
| 11 | 0 |
| 12 | 1 |
| 13 | -1 |
| 14 | 0 |
| 15 | 0 |
| 16 | 1 |
| 17 | 0 |
| 18 | -2 |
| 19 | -1 |
| 20 | 3 |
| 21 | 0 |
| 22 | -2 |
| 23 | 1 |
| 24 | 2 |
| 25 | -2 |
| 26 | -3 |
| 27 | 1 |
| 28 | 4 |
| 29 | -1 |
| 30 | -3 |
| 31 | 0 |
| 32 | 5 |
| 33 | -1 |
| 34 | -7 |
| 35 | 1 |
| 36 | 7 |
| 37 | -1 |
| 38 | -5 |
| 39 | 0 |
| 40 | 6 |
| 41 | 1 |
| 42 | -9 |
| 43 | -2 |
| 44 | 11 |
| 45 | 1 |
| 46 | -9 |
| 47 | -1 |
| 48 | 8 |
| 49 | 0 |
| 50 | -12 |
| 51 | 0 |
| 52 | 15 |
| 53 | 0 |
| 54 | -11 |
| 55 | -1 |
| 56 | 13 |
| 57 | 0 |
| 58 | -17 |
| 59 | 1 |
| 60 | 18 |
| 61 | -2 |
| 62 | -17 |
| 63 | 1 |
| 64 | 17 |
| 65 | 0 |
| 66 | -24 |
| 67 | 0 |
| 68 | 28 |
| 69 | -1 |
| 70 | -21 |
| 71 | 0 |
| 72 | 22 |
[1,-1,-1,0,0,0,-1,1,0,-1,0,1,-1,0,0,1,0,-2,-1,3,0, -2,1,2,-2,-3,1,4,-1,-3,0,5,-1,-7,1,7,-1,-5,0,6,1, -9,-2,11,1,-9,-1,8,0,-12,0,15,0,-11,-1,13,0,-17,1, 18,-2,-17,1,17,0,-24,0,28,-1,-21,0,22] |