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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 1 |
| 3 | 0 |
| 4 | -3 |
| 5 | 1 |
| 6 | 0 |
| 7 | 2 |
| 8 | -6 |
| 9 | 1 |
| 10 | 0 |
| 11 | 0 |
| 12 | 11 |
| 13 | -10 |
| 14 | 1 |
| 15 | 0 |
| 16 | 0 |
| 17 | -6 |
| 18 | 35 |
| 19 | -15 |
| 20 | 1 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | -50 |
| 25 | 85 |
| 26 | -21 |
| 27 | 1 |
| 28 | 0 |
| 29 | 0 |
| 30 | 0 |
| 31 | 24 |
| 32 | -225 |
| 33 | 175 |
| 34 | -28 |
| 35 | 1 |
| 36 | 0 |
| 37 | 0 |
| 38 | 0 |
| 39 | 0 |
| 40 | 274 |
| 41 | -735 |
| 42 | 322 |
| 43 | -36 |
| 44 | 1 |
| 45 | 0 |
| 46 | 0 |
| 47 | 0 |
| 48 | 0 |
| 49 | -120 |
| 50 | 1624 |
| 51 | -1960 |
| 52 | 546 |
| 53 | -45 |
| 54 | 1 |
| 55 | 0 |
| 56 | 0 |
| 57 | 0 |
| 58 | 0 |
| 59 | 0 |
| 60 | -1764 |
| 61 | 6769 |
| 62 | -4536 |
| 63 | 870 |
| 64 | -55 |
| 65 | 1 |
| 66 | 0 |
| 67 | 0 |
| 68 | 0 |
| 69 | 0 |
| 70 | 0 |
| 71 | 720 |
| 72 | -13132 |
| 73 | 22449 |
| 74 | -9450 |
| 75 | 1320 |
| 76 | -66 |
| 77 | 1 |
[1,-1,1,0,-3,1,0,2,-6,1,0,0,11,-10,1,0,0,-6,35, -15,1,0,0,0,-50,85,-21,1,0,0,0,24,-225,175,-28,1, 0,0,0,0,274,-735,322,-36,1,0,0,0,0,-120,1624, -1960,546,-45,1,0,0,0,0,0,-1764,6769,-4536,870, -55,1,0,0,0,0,0,720,-13132,22449,-9450,1320,-66,1] |