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