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