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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | -1 |
| 8 | -2 |
| 9 | -3 |
| 10 | -2 |
| 11 | 4 |
| 12 | -1 |
| 13 | 5 |
| 14 | 2 |
| 15 | -4 |
| 16 | -8 |
| 17 | -9 |
| 18 | -3 |
| 19 | -3 |
| 20 | 12 |
| 21 | 19 |
| 22 | -6 |
| 23 | 6 |
| 24 | -38 |
| 25 | -27 |
| 26 | -32 |
| 27 | 13 |
| 28 | 56 |
| 29 | 50 |
| 30 | 99 |
| 31 | -49 |
| 32 | -135 |
| 33 | -162 |
| 34 | -258 |
| 35 | 83 |
| 36 | 114 |
| 37 | 468 |
| 38 | 359 |
| 39 | -40 |
| 40 | -390 |
| 41 | -1215 |
| 42 | -791 |
| 43 | -526 |
| 44 | 876 |
| 45 | 2640 |
| 46 | 1816 |
| 47 | 1673 |
| 48 | -3404 |
| 49 | -4516 |
| 50 | -6527 |
| 51 | -3640 |
| 52 | 5320 |
| 53 | 9282 |
| 54 | 18019 |
| 55 | 7210 |
[1,1,1,1,1,1,-1,-2,-3,-2,4,-1,5,2,-4,-8,-9,-3,-3, 12,19,-6,6,-38,-27,-32,13,56,50,99,-49,-135,-162, -258,83,114,468,359,-40,-390,-1215,-791,-526,876, 2640,1816,1673,-3404,-4516,-6527,-3640,5320,9282, 18019,7210] |