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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | 0 |
| 8 | -1 |
| 9 | 4 |
| 10 | 0 |
| 11 | 0 |
| 12 | 1 |
| 13 | -4 |
| 14 | 6 |
| 15 | 0 |
| 16 | 0 |
| 17 | -3 |
| 18 | 12 |
| 19 | -20 |
| 20 | 16 |
| 21 | 0 |
| 22 | 0 |
| 23 | 5 |
| 24 | -20 |
| 25 | 34 |
| 26 | -32 |
| 27 | 16 |
| 28 | 0 |
| 29 | 0 |
| 30 | -691 |
| 31 | 2764 |
| 32 | -4720 |
| 33 | 4592 |
| 34 | -2800 |
| 35 | 960 |
| 36 | 0 |
| 37 | 0 |
| 38 | 105 |
| 39 | -420 |
| 40 | 718 |
| 41 | -704 |
| 42 | 448 |
| 43 | -192 |
| 44 | 48 |
| 45 | 0 |
| 46 | 0 |
| 47 | -10851 |
| 48 | 43404 |
| 49 | -74220 |
| 50 | 72912 |
| 51 | -46880 |
| 52 | 21120 |
| 53 | -6720 |
| 54 | 1280 |
[1,0,1,0,0,1,0,0,-1,4,0,0,1,-4,6,0,0,-3,12,-20,16, 0,0,5,-20,34,-32,16,0,0,-691,2764,-4720,4592, -2800,960,0,0,105,-420,718,-704,448,-192,48,0,0, -10851,43404,-74220,72912,-46880,21120,-6720,1280] |