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