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