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