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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -2 |
| 3 | 1 |
| 4 | 2 |
| 5 | -2 |
| 6 | 0 |
| 7 | -5 |
| 8 | 10 |
| 9 | 1 |
| 10 | -15 |
| 11 | 10 |
| 12 | -1 |
| 13 | 18 |
| 14 | -39 |
| 15 | 4 |
| 16 | 50 |
| 17 | -24 |
| 18 | -14 |
| 19 | -69 |
| 20 | 165 |
| 21 | -70 |
| 22 | -83 |
| 23 | -20 |
| 24 | 154 |
| 25 | 161 |
| 26 | -550 |
| 27 | 313 |
| 28 | 55 |
| 29 | 410 |
| 30 | -960 |
| 31 | 102 |
| 32 | 1074 |
| 33 | -406 |
| 34 | -506 |
| 35 | -1344 |
| 36 | 3581 |
| 37 | -1791 |
| 38 | -833 |
| 39 | -1833 |
| 40 | 4995 |
| 41 | 205 |
| 42 | -6993 |
| 43 | 2982 |
| 44 | 2461 |
| 45 | 7649 |
| 46 | -19791 |
| 47 | 9495 |
| 48 | 4986 |
| 49 | 9581 |
| 50 | -26745 |
| 51 | 0 |
[1,1,-2,1,2,-2,0,-5,10,1,-15,10,-1,18,-39,4,50, -24,-14,-69,165,-70,-83,-20,154,161,-550,313,55, 410,-960,102,1074,-406,-506,-1344,3581,-1791,-833, -1833,4995,205,-6993,2982,2461,7649,-19791,9495, 4986,9581,-26745,0] |