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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 2 |
| 3 | 0 |
| 4 | 2 |
| 5 | -2 |
| 6 | 0 |
| 7 | 0 |
| 8 | 2 |
| 9 | 0 |
| 10 | 2 |
| 11 | 0 |
| 12 | 0 |
| 13 | -4 |
| 14 | 2 |
| 15 | 2 |
| 16 | 2 |
| 17 | -4 |
| 18 | 0 |
| 19 | 0 |
| 20 | 2 |
| 21 | 2 |
| 22 | 2 |
| 23 | 0 |
| 24 | -2 |
| 25 | -4 |
| 26 | 4 |
| 27 | 0 |
| 28 | 2 |
| 29 | -4 |
| 30 | -2 |
| 31 | 0 |
| 32 | 2 |
| 33 | 2 |
| 34 | 4 |
| 35 | 0 |
| 36 | 0 |
| 37 | -4 |
| 38 | 0 |
| 39 | 2 |
| 40 | 4 |
| 41 | -4 |
| 42 | -2 |
| 43 | 0 |
| 44 | 2 |
| 45 | 0 |
| 46 | 0 |
| 47 | 0 |
| 48 | -2 |
| 49 | -4 |
| 50 | 6 |
| 51 | 2 |
| 52 | 2 |
| 53 | -4 |
| 54 | 0 |
| 55 | -2 |
| 56 | 2 |
| 57 | 4 |
| 58 | 4 |
| 59 | 0 |
| 60 | -2 |
| 61 | -4 |
| 62 | 0 |
| 63 | 0 |
| 64 | 2 |
| 65 | -6 |
| 66 | -2 |
| 67 | 0 |
| 68 | 2 |
| 69 | 4 |
| 70 | 2 |
| 71 | 0 |
| 72 | 0 |
| 73 | -4 |
| 74 | 4 |
| 75 | 0 |
| 76 | 2 |
| 77 | -2 |
| 78 | -2 |
| 79 | 0 |
[1,0,2,0,2,-2,0,0,2,0,2,0,0,-4,2,2,2,-4,0,0,2,2,2, 0,-2,-4,4,0,2,-4,-2,0,2,2,4,0,0,-4,0,2,4,-4,-2,0, 2,0,0,0,-2,-4,6,2,2,-4,0,-2,2,4,4,0,-2,-4,0,0,2, -6,-2,0,2,4,2,0,0,-4,4,0,2,-2,-2,0] |