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| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | -1 |
| 1 | -1 |
| 2 | 2 |
| 3 | -2 |
| 4 | -1 |
| 5 | 5 |
| 6 | -3 |
| 7 | -4 |
| 8 | 8 |
| 9 | -5 |
| 10 | -6 |
| 11 | 16 |
| 12 | -8 |
| 13 | -11 |
| 14 | 23 |
| 15 | -15 |
| 16 | -16 |
| 17 | 39 |
| 18 | -21 |
| 19 | -26 |
| 20 | 58 |
| 21 | -35 |
| 22 | -39 |
| 23 | 92 |
| 24 | -51 |
| 25 | -58 |
| 26 | 132 |
| 27 | -77 |
| 28 | -85 |
| 29 | 194 |
| 30 | -108 |
| 31 | -125 |
| 32 | 276 |
| 33 | -156 |
| 34 | -174 |
| 35 | 393 |
| 36 | -218 |
| 37 | -245 |
| 38 | 542 |
| 39 | -304 |
| 40 | -336 |
| 41 | 755 |
| 42 | -417 |
| 43 | -467 |
| 44 | 1026 |
| 45 | -573 |
| 46 | -627 |
| 47 | 1401 |
| 48 | -770 |
| 49 | -853 |
| 50 | 1870 |
[1,-1,-1,2,-2,-1,5,-3,-4,8,-5,-6,16,-8,-11,23,-15, -16,39,-21,-26,58,-35,-39,92,-51,-58,132,-77,-85, 194,-108,-125,276,-156,-174,393,-218,-245,542, -304,-336,755,-417,-467,1026,-573,-627,1401,-770, -853,1870] |