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