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