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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 4 |
| 7 | 4 |
| 8 | 4 |
| 9 | 40 |
| 10 | 7 |
| 11 | 58 |
| 12 | 9 |
| 13 | 38 |
| 14 | 8 |
| 15 | 37 |
| 16 | 29 |
| 17 | 71 |
| 18 | 55 |
| 19 | 51 |
| 20 | 41 |
| 21 | 49 |
| 22 | 70 |
| 23 | 60 |
| 24 | 93 |
| 25 | 102 |
| 26 | 79 |
| 27 | 333 |
| 28 | 123 |
| 29 | 181 |
| 30 | 69 |
| 31 | 200 |
| 32 | 279 |
| 33 | 372 |
| 34 | 117 |
| 35 | 188 |
| 36 | 212 |
| 37 | 122 |
| 38 | 137 |
| 39 | 263 |
| 40 | 576 |
| 41 | 96 |
| 42 | 149 |
| 43 | 225 |
| 44 | 169 |
| 45 | 150 |
| 46 | 276 |
| 47 | -1 |
| 48 | 304 |
| 49 | 281 |
| 50 | 106 |
| 51 | 215 |
| 52 | 160 |
| 53 | 206 |
| 54 | 197 |
| 55 | -1 |
| 56 | 359 |
| 57 | 221 |
| 58 | 355 |
| 59 | -1 |
| 60 | 447 |
| 61 | 178 |
| 62 | 314 |
| 63 | 431 |
[1,1,1,1,3,4,4,4,40,7,58,9,38,8,37,29,71,55,51,41, 49,70,60,93,102,79,333,123,181,69,200,279,372,117, 188,212,122,137,263,576,96,149,225,169,150,276,-1, 304,281,106,215,160,206,197,-1,359,221,355,-1,447, 178,314,431] |