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