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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 3 |
| 4 | 3 |
| 5 | 1 |
| 6 | 2 |
| 7 | 1 |
| 8 | -1 |
| 9 | 4 |
| 10 | -1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 5 |
| 14 | -1 |
| 15 | 2 |
| 16 | -1 |
| 17 | 1 |
| 18 | -1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 4 |
| 22 | -1 |
| 23 | -1 |
| 24 | -1 |
| 25 | -1 |
| 26 | 5 |
| 27 | -1 |
| 28 | -1 |
| 29 | 1 |
| 30 | 4 |
| 31 | -1 |
| 32 | 5 |
| 33 | 16 |
| 34 | 4 |
| 35 | 1 |
| 36 | 2 |
| 37 | -1 |
| 38 | 3 |
| 39 | 1 |
| 40 | 14 |
| 41 | -1 |
| 42 | 13 |
| 43 | 13 |
| 44 | 13 |
| 45 | -1 |
| 46 | 12 |
| 47 | 1 |
| 48 | -1 |
| 49 | 6 |
| 50 | 2 |
| 51 | -1 |
| 52 | -1 |
| 53 | 11 |
| 54 | 1 |
| 55 | 5 |
| 56 | 13 |
| 57 | -1 |
| 58 | 4 |
| 59 | 1 |
| 60 | 12 |
| 61 | -1 |
| 62 | -1 |
| 63 | 3 |
| 64 | 3 |
| 65 | 1 |
| 66 | 2 |
| 67 | 1 |
| 68 | 1 |
| 69 | 16 |
| 70 | 2 |
| 71 | 8 |
| 72 | 8 |
| 73 | 4 |
| 74 | 3 |
| 75 | 7 |
| 76 | 7 |
| 77 | 9 |
| 78 | 2 |
| 79 | 14 |
[1,3,3,3,1,2,1,-1,4,-1,1,3,5,-1,2,-1,1,-1,1,1,4, -1,-1,-1,-1,5,-1,-1,1,4,-1,5,16,4,1,2,-1,3,1,14, -1,13,13,13,-1,12,1,-1,6,2,-1,-1,11,1,5,13,-1,4,1, 12,-1,-1,3,3,1,2,1,1,16,2,8,8,4,3,7,7,9,2,14] |