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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | -1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 1 |
| 6 | 10 |
| 7 | 3 |
| 8 | 1 |
| 9 | 1 |
| 10 | 3 |
| 11 | -1 |
| 12 | 2 |
| 13 | 3 |
| 14 | 33 |
| 15 | 1 |
| 16 | 2 |
| 17 | 1 |
| 18 | 1 |
| 19 | 21 |
| 20 | 1 |
| 21 | 2 |
| 22 | -1 |
| 23 | 1 |
| 24 | 7 |
| 25 | 48 |
| 26 | 292 |
| 27 | 4 |
| 28 | 3 |
| 29 | 1 |
| 30 | 1 |
| 31 | 2 |
| 32 | 1 |
| 33 | -1 |
| 34 | 135 |
| 35 | -1 |
| 36 | 1 |
| 37 | -1 |
| 38 | 1 |
| 39 | 34 |
| 40 | 3 |
| 41 | 3 |
| 42 | 40 |
| 43 | 2 |
| 44 | -1 |
| 45 | 1 |
| 46 | 3 |
| 47 | 1 |
| 48 | 1 |
| 49 | 32 |
| 50 | 61 |
| 51 | 1 |
| 52 | 2 |
| 53 | 1 |
| 54 | 137 |
| 55 | -1 |
| 56 | 3 |
| 57 | 1 |
| 58 | 2 |
| 59 | 42 |
| 60 | 1 |
| 61 | 14 |
| 62 | 1 |
| 63 | 262 |
| 64 | 2 |
| 65 | 22 |
| 66 | -1 |
| 67 | 3 |
| 68 | 9 |
| 69 | 2 |
| 70 | 33 |
| 71 | 73 |
| 72 | 1 |
| 73 | 3 |
| 74 | 1 |
| 75 | 2 |
| 76 | 3 |
| 77 | -1 |
| 78 | 2 |
| 79 | 2 |
| 80 | 1 |
[1,9,-1,1,2,1,10,3,1,1,3,-1,2,3,33,1,2,1,1,21,1,2, -1,1,7,48,292,4,3,1,1,2,1,-1,135,-1,1,-1,1,34,3,3, 40,2,-1,1,3,1,1,32,61,1,2,1,137,-1,3,1,2,42,1,14, 1,262,2,22,-1,3,9,2,33,73,1,3,1,2,3,-1,2,2,1] |