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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | 0 |
| 4 | 0 |
| 5 | -1 |
| 6 | 3 |
| 7 | -3 |
| 8 | 1 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | -1 |
| 18 | 9 |
| 19 | -36 |
| 20 | 84 |
| 21 | -123 |
| 22 | 93 |
| 23 | 81 |
| 24 | -459 |
| 25 | 978 |
| 26 | -1346 |
| 27 | 1152 |
| 28 | -132 |
| 29 | -1649 |
| 30 | 3681 |
| 31 | -5010 |
| 32 | 4690 |
| 33 | -2496 |
| 34 | -858 |
| 35 | 4147 |
| 36 | -6201 |
| 37 | 6396 |
| 38 | -5002 |
| 39 | 3003 |
| 40 | -1365 |
| 41 | 455 |
| 42 | -105 |
| 43 | 15 |
| 44 | -1 |
| 45 | 0 |
| 46 | 0 |
| 47 | 0 |
| 48 | 0 |
| 49 | 0 |
| 50 | 0 |
| 51 | 0 |
| 52 | 0 |
| 53 | 0 |
| 54 | 0 |
| 55 | 0 |
| 56 | 0 |
| 57 | 0 |
| 58 | 0 |
| 59 | 0 |
| 60 | 0 |
| 61 | 0 |
| 62 | 0 |
| 63 | 0 |
| 64 | 0 |
| 65 | -1 |
| 66 | 33 |
[1,-1,0,0,-1,3,-3,1,0,0,0,0,0,0,0,0,-1,9,-36,84, -123,93,81,-459,978,-1346,1152,-132,-1649,3681, -5010,4690,-2496,-858,4147,-6201,6396,-5002,3003, -1365,455,-105,15,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,-1,33] |