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