| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 1 |
| 3 | -1 |
| 4 | 0 |
| 5 | 0 |
| 6 | -1 |
| 7 | 1 |
| 8 | 0 |
| 9 | 0 |
| 10 | 2 |
| 11 | -3 |
| 12 | 3 |
| 13 | -3 |
| 14 | -1 |
| 15 | 3 |
| 16 | -6 |
| 17 | 9 |
| 18 | -6 |
| 19 | 4 |
| 20 | 3 |
| 21 | -10 |
| 22 | 12 |
| 23 | -14 |
| 24 | 3 |
| 25 | 11 |
| 26 | -24 |
| 27 | 38 |
| 28 | -33 |
| 29 | 19 |
| 30 | 11 |
| 31 | -51 |
| 32 | 72 |
| 33 | -81 |
| 34 | 50 |
| 35 | 15 |
| 36 | -87 |
| 37 | 158 |
| 38 | -167 |
| 39 | 110 |
| 40 | 15 |
| 41 | -198 |
| 42 | 342 |
| 43 | -402 |
| 44 | 303 |
| 45 | -25 |
| 46 | -342 |
| 47 | 713 |
| 48 | -880 |
| 49 | 710 |
| 50 | -180 |
| 51 | -651 |
| 52 | 1463 |
| 53 | -1927 |
| 54 | 1692 |
| 55 | -577 |
| 56 | -1170 |
[1,-1,1,-1,0,0,-1,1,0,0,2,-3,3,-3,-1,3,-6,9,-6,4, 3,-10,12,-14,3,11,-24,38,-33,19,11,-51,72,-81,50, 15,-87,158,-167,110,15,-198,342,-402,303,-25,-342, 713,-880,710,-180,-651,1463,-1927,1692,-577,-1170] |