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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 0 |
| 8 | 3 |
| 9 | 0 |
| 10 | 1 |
| 11 | -2 |
| 12 | 9 |
| 13 | -8 |
| 14 | 6 |
| 15 | 1 |
| 16 | -5 |
| 17 | 25 |
| 18 | -55 |
| 19 | 80 |
| 20 | -46 |
| 21 | 1 |
| 22 | -9 |
| 23 | 60 |
| 24 | -225 |
| 25 | 555 |
| 26 | -774 |
| 27 | 484 |
| 28 | 1 |
| 29 | -14 |
| 30 | 126 |
| 31 | -700 |
| 32 | 2625 |
| 33 | -6342 |
| 34 | 9072 |
| 35 | -5840 |
| 36 | 1 |
| 37 | -20 |
| 38 | 238 |
| 39 | -1820 |
| 40 | 9625 |
| 41 | -35000 |
| 42 | 84448 |
| 43 | -122240 |
| 44 | 80680 |
| 45 | 1 |
| 46 | -27 |
| 47 | 414 |
| 48 | -4158 |
| 49 | 29421 |
| 50 | -148743 |
| 51 | 530796 |
| 52 | -1276992 |
[1,1,1,1,1,1,0,3,0,1,-2,9,-8,6,1,-5,25,-55,80,-46, 1,-9,60,-225,555,-774,484,1,-14,126,-700,2625, -6342,9072,-5840,1,-20,238,-1820,9625,-35000, 84448,-122240,80680,1,-27,414,-4158,29421,-148743, 530796,-1276992] |