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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | -1 |
| 3 | -1 |
| 4 | -1 |
| 5 | 1 |
| 6 | 2 |
| 7 | -2 |
| 8 | 2 |
| 9 | -1 |
| 10 | -1 |
| 11 | -2 |
| 12 | 4 |
| 13 | -3 |
| 14 | 1 |
| 15 | 2 |
| 16 | -3 |
| 17 | 6 |
| 18 | -7 |
| 19 | 4 |
| 20 | -1 |
| 21 | -1 |
| 22 | -3 |
| 23 | 9 |
| 24 | -13 |
| 25 | 11 |
| 26 | -5 |
| 27 | 1 |
| 28 | 2 |
| 29 | -4 |
| 30 | 12 |
| 31 | -22 |
| 32 | 24 |
| 33 | -16 |
| 34 | 6 |
| 35 | -1 |
| 36 | -1 |
| 37 | -4 |
| 38 | 16 |
| 39 | -34 |
| 40 | 46 |
| 41 | -40 |
| 42 | 22 |
| 43 | -7 |
| 44 | 1 |
| 45 | 2 |
| 46 | -5 |
| 47 | 20 |
| 48 | -50 |
| 49 | 80 |
| 50 | -86 |
| 51 | 62 |
| 52 | -29 |
| 53 | 8 |
| 54 | -1 |
| 55 | -1 |
| 56 | -5 |
| 57 | 25 |
| 58 | -70 |
| 59 | 130 |
| 60 | -166 |
| 61 | 148 |
| 62 | -91 |
| 63 | 37 |
| 64 | -9 |
| 65 | 1 |
| 66 | 2 |
| 67 | -6 |
| 68 | 30 |
| 69 | -95 |
| 70 | 200 |
| 71 | -296 |
| 72 | 314 |
| 73 | -239 |
| 74 | 128 |
| 75 | -46 |
| 76 | 10 |
| 77 | -1 |
| 78 | -1 |
| 79 | -6 |
| 80 | 36 |
| 81 | -125 |
[1,2,-1,-1,-1,1,2,-2,2,-1,-1,-2,4,-3,1,2,-3,6,-7, 4,-1,-1,-3,9,-13,11,-5,1,2,-4,12,-22,24,-16,6,-1, -1,-4,16,-34,46,-40,22,-7,1,2,-5,20,-50,80,-86,62, -29,8,-1,-1,-5,25,-70,130,-166,148,-91,37,-9,1,2, -6,30,-95,200,-296,314,-239,128,-46,10,-1,-1,-6, 36,-125] |