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