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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -1 |
| 3 | -1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
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| 10 | -1 |
| 11 | 1 |
| 12 | -1 |
| 13 | 1 |
| 14 | -1 |
| 15 | -1 |
| 16 | 1 |
| 17 | -1 |
| 18 | -1 |
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| 21 | -1 |
| 22 | -1 |
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| 24 | 1 |
| 25 | 1 |
| 26 | -1 |
| 27 | -1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 1 |
| 31 | 1 |
| 32 | -1 |
| 33 | -1 |
| 34 | 1 |
| 35 | 1 |
| 36 | 1 |
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| 38 | 1 |
| 39 | -1 |
| 40 | -1 |
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| 42 | 1 |
| 43 | -1 |
| 44 | 1 |
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| 48 | -1 |
| 49 | 1 |
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| 58 | -1 |
| 59 | -1 |
| 60 | -1 |
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| 63 | 1 |
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