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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | -3 |
| 4 | -1 |
| 5 | -4 |
| 6 | -1 |
| 7 | -1 |
| 8 | -1 |
| 9 | -5 |
| 10 | 2 |
| 11 | 6 |
| 12 | -1 |
| 13 | -3 |
| 14 | -1 |
| 15 | -3 |
| 16 | 6 |
| 17 | 8 |
| 18 | -1 |
| 19 | 3 |
| 20 | -1 |
| 21 | 1 |
| 22 | 3 |
| 23 | -2 |
| 24 | -1 |
| 25 | -5 |
| 26 | 3 |
| 27 | 7 |
| 28 | 7 |
| 29 | 11 |
| 30 | -1 |
| 31 | 7 |
| 32 | -1 |
| 33 | 0 |
| 34 | -4 |
| 35 | -18 |
| 36 | 4 |
| 37 | 10 |
| 38 | -1 |
| 39 | -7 |
| 40 | 5 |
| 41 | 11 |
| 42 | -1 |
| 43 | -3 |
| 44 | -1 |
| 45 | -8 |
| 46 | 14 |
| 47 | 28 |
| 48 | -1 |
| 49 | 0 |
| 50 | 0 |
| 51 | 9 |
| 52 | -6 |
| 53 | -9 |
| 54 | -1 |
| 55 | -5 |
| 56 | -3 |
| 57 | -3 |
| 58 | -1 |
| 59 | -15 |
| 60 | -1 |
| 61 | 3 |
| 62 | -1 |
| 63 | -11 |
| 64 | 7 |
| 65 | 15 |
| 66 | 6 |
| 67 | 9 |
| 68 | -1 |
| 69 | -17 |
| 70 | 4 |
| 71 | 30 |
| 72 | -1 |
| 73 | 2 |
| 74 | -1 |
| 75 | -14 |
| 76 | 14 |
| 77 | 21 |
| 78 | -6 |
| 79 | 1 |
| 80 | -1 |
[1,-1,-3,-1,-4,-1,-1,-1,-5,2,6,-1,-3,-1,-3,6,8,-1, 3,-1,1,3,-2,-1,-5,3,7,7,11,-1,7,-1,0,-4,-18,4,10, -1,-7,5,11,-1,-3,-1,-8,14,28,-1,0,0,9,-6,-9,-1,-5, -3,-3,-1,-15,-1,3,-1,-11,7,15,6,9,-1,-17,4,30,-1, 2,-1,-14,14,21,-6,1,-1] |