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