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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | -1 |
| 4 | 1 |
| 5 | -1 |
| 6 | 0 |
| 7 | 2 |
| 8 | -1 |
| 9 | -1 |
| 10 | 3 |
| 11 | -2 |
| 12 | -1 |
| 13 | 4 |
| 14 | -2 |
| 15 | -3 |
| 16 | 4 |
| 17 | -3 |
| 18 | -3 |
| 19 | 8 |
| 20 | -4 |
| 21 | -5 |
| 22 | 9 |
| 23 | -4 |
| 24 | -6 |
| 25 | 13 |
| 26 | -6 |
| 27 | -7 |
| 28 | 14 |
| 29 | -10 |
| 30 | -9 |
| 31 | 20 |
| 32 | -9 |
| 33 | -12 |
| 34 | 24 |
| 35 | -13 |
| 36 | -13 |
| 37 | 32 |
| 38 | -16 |
| 39 | -19 |
| 40 | 39 |
| 41 | -23 |
| 42 | -24 |
| 43 | 50 |
| 44 | -26 |
| 45 | -27 |
| 46 | 60 |
| 47 | -35 |
| 48 | -34 |
| 49 | 78 |
| 50 | -41 |
| 51 | -42 |
| 52 | 91 |
| 53 | -49 |
| 54 | -54 |
| 55 | 111 |
| 56 | -60 |
| 57 | -65 |
| 58 | 138 |
| 59 | -73 |
| 60 | -78 |
| 61 | 167 |
| 62 | -84 |
| 63 | -95 |
| 64 | 199 |
| 65 | -107 |
| 66 | -111 |
| 67 | 236 |
| 68 | -128 |
| 69 | -135 |
| 70 | 282 |
| 71 | -147 |
| 72 | -159 |
| 73 | 338 |
[1,-1,-1,1,-1,0,2,-1,-1,3,-2,-1,4,-2,-3,4,-3,-3,8, -4,-5,9,-4,-6,13,-6,-7,14,-10,-9,20,-9,-12,24,-13, -13,32,-16,-19,39,-23,-24,50,-26,-27,60,-35,-34, 78,-41,-42,91,-49,-54,111,-60,-65,138,-73,-78,167, -84,-95,199,-107,-111,236,-128,-135,282,-147,-159, 338] |