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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 4 |
| 12 | 5 |
| 13 | 3 |
| 14 | 7 |
| 15 | 8 |
| 16 | 7 |
| 17 | 7 |
| 18 | 9 |
| 19 | 10 |
| 20 | 11 |
| 21 | 12 |
| 22 | 14 |
| 23 | 17 |
| 24 | 19 |
| 25 | 18 |
| 26 | 24 |
| 27 | 26 |
| 28 | 26 |
| 29 | 31 |
| 30 | 36 |
| 31 | 38 |
| 32 | 41 |
| 33 | 45 |
| 34 | 50 |
| 35 | 57 |
| 36 | 61 |
| 37 | 63 |
| 38 | 75 |
| 39 | 83 |
| 40 | 86 |
| 41 | 93 |
| 42 | 106 |
| 43 | 115 |
| 44 | 123 |
| 45 | 134 |
| 46 | 146 |
| 47 | 162 |
| 48 | 173 |
| 49 | 183 |
| 50 | 206 |
| 51 | 225 |
| 52 | 237 |
| 53 | 257 |
| 54 | 283 |
| 55 | 304 |
| 56 | 327 |
| 57 | 350 |
| 58 | 380 |
| 59 | 416 |
| 60 | 443 |
| 61 | 471 |
| 62 | 516 |
| 63 | 557 |
[1,-1,2,1,1,1,3,1,2,2,2,4,5,3,7,8,7,7,9,10,11,12, 14,17,19,18,24,26,26,31,36,38,41,45,50,57,61,63, 75,83,86,93,106,115,123,134,146,162,173,183,206, 225,237,257,283,304,327,350,380,416,443,471,516, 557] |