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