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| n | a(n) |
|---|---|
| 1 | -1 |
| 2 | -2 |
| 3 | -2 |
| 4 | -2 |
| 5 | -2 |
| 6 | -4 |
| 7 | -2 |
| 8 | 0 |
| 9 | 0 |
| 10 | -4 |
| 11 | -2 |
| 12 | 0 |
| 13 | -2 |
| 14 | -4 |
| 15 | 2 |
| 16 | 8 |
| 17 | -2 |
| 18 | 0 |
| 19 | -2 |
| 20 | 8 |
| 21 | 6 |
| 22 | -4 |
| 23 | -2 |
| 24 | 16 |
| 25 | 10 |
| 26 | -4 |
| 27 | 18 |
| 28 | 16 |
| 29 | -2 |
| 30 | 4 |
| 31 | -2 |
| 32 | 32 |
| 33 | 14 |
| 34 | -4 |
| 35 | 26 |
| 36 | 36 |
| 37 | -2 |
| 38 | -4 |
| 39 | 18 |
| 40 | 48 |
| 41 | -2 |
| 42 | 12 |
| 43 | -2 |
| 44 | 32 |
| 45 | 54 |
| 46 | -4 |
| 47 | -2 |
| 48 | 64 |
| 49 | 28 |
| 50 | 20 |
| 51 | 26 |
| 52 | 40 |
| 53 | -2 |
| 54 | 36 |
| 55 | 50 |
| 56 | 80 |
| 57 | 30 |
| 58 | -4 |
| 59 | -2 |
| 60 | 72 |
| 61 | -2 |
| 62 | -4 |
| 63 | 90 |
| 64 | 96 |
| 65 | 62 |
| 66 | 28 |
| 67 | -2 |
| 68 | 56 |
| 69 | 38 |
| 70 | 52 |
| 71 | -2 |
| 72 | 144 |
| 73 | -2 |
| 74 | -4 |
| 75 | 90 |
| 76 | 64 |
| 77 | 86 |
| 78 | 36 |
| 79 | -2 |
| 80 | 160 |
| 81 | 108 |
| 82 | -4 |
| 83 | -2 |
| 84 | 120 |
| 85 | 86 |
| 86 | -4 |
[-1,-2,-2,-2,-2,-4,-2,0,0,-4,-2,0,-2,-4,2,8,-2,0, -2,8,6,-4,-2,16,10,-4,18,16,-2,4,-2,32,14,-4,26, 36,-2,-4,18,48,-2,12,-2,32,54,-4,-2,64,28,20,26, 40,-2,36,50,80,30,-4,-2,72,-2,-4,90,96,62,28,-2, 56,38,52,-2,144,-2,-4,90,64,86,36,-2,160,108,-4, -2,120,86,-4] |