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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 3 |
| 4 | -1 |
| 5 | 37 |
| 6 | 39 |
| 7 | 5 |
| 8 | 2 |
| 9 | -1 |
| 10 | 89 |
| 11 | 20 |
| 12 | 52 |
| 13 | 222 |
| 14 | 319 |
| 15 | 49 |
| 16 | -1 |
| 17 | 12 |
| 18 | 99 |
| 19 | 25 |
| 20 | 144 |
| 21 | 61 |
| 22 | 41 |
| 23 | 9 |
| 24 | 109 |
| 25 | -1 |
| 26 | 145 |
| 27 | 10 |
| 28 | 268 |
| 29 | 33 |
| 30 | 189 |
| 31 | 184 |
| 32 | 155 |
| 33 | 371 |
| 34 | 45 |
| 35 | 108 |
| 36 | -1 |
| 37 | 118 |
| 38 | 26 |
| 39 | 11 |
| 40 | 149 |
| 41 | 146 |
| 42 | 108 |
| 43 | 5 |
| 44 | 235 |
| 45 | 49 |
| 46 | 299 |
| 47 | 253 |
| 48 | 32 |
| 49 | -1 |
| 50 | 103 |
| 51 | 212 |
| 52 | 120 |
| 53 | 179 |
| 54 | 353 |
| 55 | 119 |
| 56 | 225 |
| 57 | 64 |
| 58 | 10 |
| 59 | 108 |
| 60 | 104 |
[1,1,5,3,-1,37,39,5,2,-1,89,20,52,222,319,49,-1, 12,99,25,144,61,41,9,109,-1,145,10,268,33,189,184, 155,371,45,108,-1,118,26,11,149,146,108,5,235,49, 299,253,32,-1,103,212,120,179,353,119,225,64,10, 108,104] |