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