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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | -4 |
| 8 | 0 |
| 9 | 1 |
| 10 | -4 |
| 11 | 0 |
| 12 | 1 |
| 13 | -8 |
| 14 | 0 |
| 15 | 1 |
| 16 | -8 |
| 17 | -4 |
| 18 | 0 |
| 19 | 1 |
| 20 | -12 |
| 21 | -4 |
| 22 | 0 |
| 23 | 1 |
| 24 | -12 |
| 25 | -8 |
| 26 | 0 |
| 27 | 1 |
| 28 | -16 |
| 29 | -12 |
| 30 | 0 |
| 31 | 1 |
| 32 | -16 |
| 33 | -16 |
| 34 | 16 |
| 35 | 0 |
| 36 | 1 |
| 37 | -20 |
| 38 | -20 |
| 39 | 16 |
| 40 | 0 |
| 41 | 1 |
| 42 | -20 |
| 43 | -28 |
| 44 | 32 |
| 45 | 0 |
| 46 | 1 |
| 47 | -24 |
| 48 | -32 |
| 49 | 48 |
| 50 | 0 |
| 51 | 1 |
| 52 | -24 |
| 53 | -40 |
| 54 | 80 |
| 55 | 0 |
| 56 | 1 |
| 57 | -28 |
| 58 | -48 |
| 59 | 96 |
| 60 | 16 |
| 61 | 0 |
| 62 | 1 |
| 63 | -28 |
| 64 | -56 |
| 65 | 144 |
| 66 | 16 |
| 67 | 0 |
| 68 | 1 |
| 69 | -32 |
[1,0,1,0,1,0,1,-4,0,1,-4,0,1,-8,0,1,-8,-4,0,1,-12, -4,0,1,-12,-8,0,1,-16,-12,0,1,-16,-16,16,0,1,-20, -20,16,0,1,-20,-28,32,0,1,-24,-32,48,0,1,-24,-40, 80,0,1,-28,-48,96,16,0,1,-28,-56,144,16,0,1,-32] |