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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | -1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 1 |
| 15 | 1 |
| 16 | -1 |
| 17 | 0 |
| 18 | 0 |
| 19 | 1 |
| 20 | 1 |
| 21 | 1 |
| 22 | 0 |
| 23 | 1 |
| 24 | 0 |
| 25 | -1 |
| 26 | 0 |
| 27 | 1 |
| 28 | 1 |
| 29 | -1 |
| 30 | -1 |
| 31 | -1 |
| 32 | 1 |
| 33 | 1 |
| 34 | 1 |
| 35 | 1 |
| 36 | 1 |
| 37 | 0 |
| 38 | 2 |
| 39 | 2 |
| 40 | 0 |
| 41 | -2 |
| 42 | -2 |
| 43 | 0 |
| 44 | 1 |
| 45 | 1 |
| 46 | -1 |
| 47 | -2 |
| 48 | -4 |
| 49 | -2 |
| 50 | 2 |
| 51 | 4 |
| 52 | 2 |
| 53 | 1 |
| 54 | 1 |
| 55 | 1 |
| 56 | 0 |
| 57 | 3 |
| 58 | 6 |
| 59 | 6 |
| 60 | 0 |
| 61 | -6 |
| 62 | -6 |
| 63 | -3 |
| 64 | 0 |
| 65 | 1 |
| 66 | 1 |
| 67 | -1 |
| 68 | -3 |
| 69 | -9 |
| 70 | -12 |
| 71 | -6 |
| 72 | 6 |
| 73 | 12 |
| 74 | 9 |
| 75 | 3 |
| 76 | 1 |
| 77 | 1 |
| 78 | 1 |
| 79 | 0 |
| 80 | 4 |
| 81 | 12 |
| 82 | 21 |
| 83 | 18 |
| 84 | 0 |
| 85 | -18 |
| 86 | -21 |
| 87 | -12 |
| 88 | -4 |
| 89 | 0 |
| 90 | 1 |
[1,1,1,1,0,1,1,-1,1,1,1,0,0,0,1,1,-1,0,0,1,1,1,0, 1,0,-1,0,1,1,-1,-1,-1,1,1,1,1,1,0,2,2,0,-2,-2,0,1, 1,-1,-2,-4,-2,2,4,2,1,1,1,0,3,6,6,0,-6,-6,-3,0,1, 1,-1,-3,-9,-12,-6,6,12,9,3,1,1,1,0,4,12,21,18,0, -18,-21,-12,-4,0,1] |