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