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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | -1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 2 |
| 6 | -1 |
| 7 | 3 |
| 8 | 1 |
| 9 | 0 |
| 10 | -1 |
| 11 | 5 |
| 12 | 2 |
| 13 | 6 |
| 14 | -1 |
| 15 | 1 |
| 16 | 0 |
| 17 | 8 |
| 18 | -1 |
| 19 | 9 |
| 20 | 4 |
| 21 | 2 |
| 22 | -1 |
| 23 | 11 |
| 24 | 1 |
| 25 | 0 |
| 26 | -1 |
| 27 | 3 |
| 28 | 6 |
| 29 | 14 |
| 30 | -1 |
| 31 | 15 |
| 32 | 2 |
| 33 | 4 |
| 34 | -1 |
| 35 | 1 |
| 36 | 0 |
| 37 | 18 |
| 38 | -1 |
| 39 | 5 |
| 40 | 3 |
| 41 | 20 |
| 42 | -1 |
| 43 | 21 |
| 44 | 10 |
| 45 | 2 |
| 46 | -1 |
| 47 | 23 |
| 48 | 1 |
| 49 | 0 |
| 50 | -1 |
| 51 | 7 |
| 52 | 12 |
| 53 | 26 |
| 54 | -1 |
| 55 | 3 |
| 56 | 5 |
| 57 | 8 |
| 58 | -1 |
| 59 | 29 |
| 60 | 2 |
| 61 | 30 |
| 62 | -1 |
| 63 | 1 |
| 64 | 0 |
| 65 | 4 |
| 66 | -1 |
| 67 | 33 |
| 68 | 16 |
| 69 | 10 |
| 70 | -1 |
| 71 | 35 |
| 72 | 3 |
| 73 | 36 |
| 74 | -1 |
| 75 | 5 |
| 76 | 18 |
| 77 | 2 |
| 78 | -1 |
| 79 | 39 |
| 80 | 1 |
| 81 | 0 |
| 82 | -1 |
| 83 | 41 |
| 84 | 4 |
| 85 | 6 |
[0,-1,1,0,2,-1,3,1,0,-1,5,2,6,-1,1,0,8,-1,9,4,2, -1,11,1,0,-1,3,6,14,-1,15,2,4,-1,1,0,18,-1,5,3,20, -1,21,10,2,-1,23,1,0,-1,7,12,26,-1,3,5,8,-1,29,2, 30,-1,1,0,4,-1,33,16,10,-1,35,3,36,-1,5,18,2,-1, 39,1,0,-1,41,4,6] |