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| n | a(n) |
|---|---|
| 0 | -1 |
| 1 | -1 |
| 2 | 19 |
| 3 | 8 |
| 4 | -1 |
| 5 | 15 |
| 6 | 6 |
| 7 | 45 |
| 8 | 2 |
| 9 | -1 |
| 10 | 13 |
| 11 | 17 |
| 12 | 18 |
| 13 | 15 |
| 14 | 9 |
| 15 | 2 |
| 16 | -1 |
| 17 | 20 |
| 18 | 9 |
| 19 | 4 |
| 20 | 20 |
| 21 | 3 |
| 22 | 11 |
| 23 | 5 |
| 24 | 2 |
| 25 | -1 |
| 26 | 15 |
| 27 | 17 |
| 28 | 15 |
| 29 | 3 |
| 30 | 26 |
| 31 | 11 |
| 32 | 5 |
| 33 | 13 |
| 34 | 2 |
| 35 | 9 |
| 36 | -1 |
| 37 | 3 |
| 38 | 13 |
| 39 | 10 |
| 40 | 16 |
| 41 | 14 |
| 42 | 3 |
| 43 | 7 |
| 44 | 9 |
| 45 | 4 |
| 46 | 3 |
| 47 | 2 |
| 48 | 4 |
| 49 | -1 |
| 50 | 8 |
| 51 | 7 |
| 52 | 16 |
| 53 | 3 |
| 54 | 4 |
| 55 | 7 |
| 56 | 3 |
| 57 | 5 |
| 58 | 11 |
| 59 | 3 |
| 60 | 14 |
| 61 | 2 |
| 62 | 2 |
| 63 | 23 |
| 64 | 1 |
| 65 | 1 |
| 66 | 1 |
| 67 | 1 |
| 68 | 1 |
| 69 | 1 |
| 70 | 1 |
| 71 | 1 |
| 72 | 1 |
| 73 | 1 |
| 74 | 1 |
| 75 | 1 |
| 76 | 1 |
| 77 | 1 |
| 78 | 1 |
| 79 | 1 |
| 80 | 1 |
| 81 | -1 |
| 82 | 6 |
| 83 | 16 |
| 84 | 9 |
| 85 | 14 |
| 86 | 7 |
| 87 | 12 |
| 88 | 3 |
| 89 | 6 |
| 90 | 3 |
| 91 | 26 |
| 92 | 18 |
| 93 | 36 |
| 94 | 11 |
| 95 | 11 |
| 96 | 7 |
| 97 | 2 |
| 98 | 2 |
| 99 | 5 |
| 100 | -1 |
[-1,-1,19,8,-1,15,6,45,2,-1,13,17,18,15,9,2,-1,20, 9,4,20,3,11,5,2,-1,15,17,15,3,26,11,5,13,2,9,-1,3, 13,10,16,14,3,7,9,4,3,2,4,-1,8,7,16,3,4,7,3,5,11, 3,14,2,2,23,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,-1, 6,16,9,14,7,12,3,6,3,26,18,36,11,11,7,2,2,5,-1] |