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| n | a(n) |
|---|---|
| 0 | -1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 9 |
| 6 | 1 |
| 7 | 1 |
| 8 | 15 |
| 9 | 1 |
| 10 | 1 |
| 11 | 21 |
| 12 | 1 |
| 13 | 25 |
| 14 | 27 |
| 15 | 1 |
| 16 | 1 |
| 17 | 33 |
| 18 | 35 |
| 19 | 1 |
| 20 | 39 |
| 21 | 1 |
| 22 | 1 |
| 23 | 45 |
| 24 | 1 |
| 25 | 49 |
| 26 | 51 |
| 27 | 1 |
| 28 | 55 |
| 29 | 57 |
| 30 | 1 |
| 31 | 1 |
| 32 | 63 |
| 33 | 65 |
| 34 | 1 |
| 35 | 69 |
| 36 | 1 |
| 37 | 1 |
| 38 | 75 |
| 39 | 77 |
| 40 | 1 |
| 41 | 81 |
| 42 | 1 |
| 43 | 85 |
| 44 | 87 |
| 45 | 1 |
| 46 | 91 |
| 47 | 93 |
| 48 | 95 |
| 49 | 1 |
| 50 | 99 |
| 51 | 1 |
| 52 | 1 |
| 53 | 105 |
| 54 | 1 |
| 55 | 1 |
| 56 | 111 |
| 57 | 1 |
| 58 | 115 |
| 59 | 117 |
| 60 | 119 |
| 61 | 121 |
| 62 | 123 |
[-1,1,1,1,1,9,1,1,15,1,1,21,1,25,27,1,1,33,35,1, 39,1,1,45,1,49,51,1,55,57,1,1,63,65,1,69,1,1,75, 77,1,81,1,85,87,1,91,93,95,1,99,1,1,105,1,1,111,1, 115,117,119,121,123] |