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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -1 |
| 3 | -1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | -1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 0 |
| 11 | -3 |
| 12 | 0 |
| 13 | 2 |
| 14 | 0 |
| 15 | -3 |
| 16 | 0 |
| 17 | 5 |
| 18 | 0 |
| 19 | -4 |
| 20 | -2 |
| 21 | 4 |
| 22 | 0 |
| 23 | -5 |
| 24 | 0 |
| 25 | 7 |
| 26 | 2 |
| 27 | -7 |
| 28 | 0 |
| 29 | 5 |
| 30 | 0 |
| 31 | -10 |
| 32 | 1 |
| 33 | 12 |
| 34 | 0 |
| 35 | -10 |
| 36 | 0 |
| 37 | 14 |
| 38 | -4 |
| 39 | -17 |
| 40 | 0 |
| 41 | 21 |
| 42 | 0 |
| 43 | -22 |
| 44 | 4 |
| 45 | 24 |
| 46 | 0 |
| 47 | -34 |
| 48 | 0 |
| 49 | 33 |
| 50 | 1 |
| 51 | -36 |
| 52 | 0 |
| 53 | 45 |
| 54 | 0 |
| 55 | -45 |
| 56 | -8 |
| 57 | 52 |
| 58 | 0 |
| 59 | -55 |
| 60 | 0 |
| 61 | 62 |
| 62 | 8 |
| 63 | -71 |
| 64 | 0 |
| 65 | 70 |
| 66 | 0 |
| 67 | -88 |
| 68 | 2 |
| 69 | 96 |
| 70 | 0 |
| 71 | -98 |
[1,1,-1,-1,0,1,0,-1,1,2,0,-3,0,2,0,-3,0,5,0,-4,-2, 4,0,-5,0,7,2,-7,0,5,0,-10,1,12,0,-10,0,14,-4,-17, 0,21,0,-22,4,24,0,-34,0,33,1,-36,0,45,0,-45,-8,52, 0,-55,0,62,8,-71,0,70,0,-88,2,96,0,-98] |