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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | 5 |
| 4 | -4 |
| 5 | 9 |
| 6 | -5 |
| 7 | 13 |
| 8 | -12 |
| 9 | 21 |
| 10 | -9 |
| 11 | 21 |
| 12 | -20 |
| 13 | 25 |
| 14 | -13 |
| 15 | 45 |
| 16 | -32 |
| 17 | 33 |
| 18 | -21 |
| 19 | 37 |
| 20 | -36 |
| 21 | 65 |
| 22 | -21 |
| 23 | 45 |
| 24 | -60 |
| 25 | 65 |
| 26 | -25 |
| 27 | 81 |
| 28 | -52 |
| 29 | 57 |
| 30 | -45 |
| 31 | 61 |
| 32 | -80 |
| 33 | 105 |
| 34 | -33 |
| 35 | 117 |
| 36 | -84 |
| 37 | 73 |
| 38 | -37 |
| 39 | 125 |
| 40 | -108 |
| 41 | 81 |
| 42 | -65 |
| 43 | 85 |
| 44 | -84 |
| 45 | 189 |
| 46 | -45 |
| 47 | 93 |
| 48 | -160 |
| 49 | 133 |
| 50 | -65 |
| 51 | 165 |
| 52 | -100 |
| 53 | 105 |
| 54 | -81 |
| 55 | 189 |
[1,-1,5,-4,9,-5,13,-12,21,-9,21,-20,25,-13,45,-32, 33,-21,37,-36,65,-21,45,-60,65,-25,81,-52,57,-45, 61,-80,105,-33,117,-84,73,-37,125,-108,81,-65,85, -84,189,-45,93,-160,133,-65,165,-100,105,-81,189] |