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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -1 |
| 3 | 0 |
| 4 | -1 |
| 5 | -1 |
| 6 | 2 |
| 7 | 0 |
| 8 | -4 |
| 9 | 0 |
| 10 | 4 |
| 11 | 1 |
| 12 | -1 |
| 13 | -8 |
| 14 | 0 |
| 15 | 8 |
| 16 | 0 |
| 17 | 4 |
| 18 | 0 |
| 19 | -20 |
| 20 | 0 |
| 21 | 16 |
| 22 | -1 |
| 23 | -1 |
| 24 | 18 |
| 25 | 0 |
| 26 | -48 |
| 27 | 0 |
| 28 | 32 |
| 29 | 0 |
| 30 | -8 |
| 31 | 0 |
| 32 | 56 |
| 33 | 0 |
| 34 | -112 |
| 35 | 0 |
| 36 | 64 |
| 37 | 1 |
| 38 | -1 |
| 39 | -32 |
| 40 | 0 |
| 41 | 160 |
| 42 | 0 |
| 43 | -256 |
| 44 | 0 |
| 45 | 128 |
| 46 | 0 |
| 47 | 8 |
| 48 | 0 |
| 49 | -120 |
| 50 | 0 |
| 51 | 432 |
| 52 | 0 |
| 53 | -576 |
| 54 | 0 |
| 55 | 256 |
| 56 | -1 |
| 57 | -1 |
| 58 | 50 |
| 59 | 0 |
| 60 | -400 |
| 61 | 0 |
| 62 | 1120 |
| 63 | 0 |
| 64 | -1280 |
| 65 | 0 |
| 66 | 512 |
[1,-1,0,-1,-1,2,0,-4,0,4,1,-1,-8,0,8,0,4,0,-20,0, 16,-1,-1,18,0,-48,0,32,0,-8,0,56,0,-112,0,64,1,-1, -32,0,160,0,-256,0,128,0,8,0,-120,0,432,0,-576,0, 256,-1,-1,50,0,-400,0,1120,0,-1280,0,512] |