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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 2 |
| 6 | 1 |
| 7 | 2 |
| 8 | 1 |
| 9 | 1 |
| 10 | 3 |
| 11 | 2 |
| 12 | 2 |
| 13 | 4 |
| 14 | 3 |
| 15 | 3 |
| 16 | 4 |
| 17 | 6 |
| 18 | 5 |
| 19 | 5 |
| 20 | 6 |
| 21 | 7 |
| 22 | 8 |
| 23 | 9 |
| 24 | 10 |
| 25 | 10 |
| 26 | 11 |
| 27 | 11 |
| 28 | 14 |
| 29 | 14 |
| 30 | 17 |
| 31 | 16 |
| 32 | 18 |
| 33 | 19 |
| 34 | 23 |
| 35 | 24 |
| 36 | 27 |
| 37 | 29 |
| 38 | 30 |
| 39 | 33 |
| 40 | 36 |
| 41 | 41 |
| 42 | 41 |
| 43 | 42 |
| 44 | 46 |
| 45 | 51 |
| 46 | 56 |
| 47 | 60 |
| 48 | 66 |
| 49 | 67 |
| 50 | 71 |
| 51 | 81 |
| 52 | 86 |
| 53 | 93 |
| 54 | 96 |
| 55 | 101 |
| 56 | 110 |
| 57 | 121 |
| 58 | 129 |
| 59 | 135 |
| 60 | 144 |
| 61 | 153 |
| 62 | 159 |
| 63 | 173 |
| 64 | 192 |
| 65 | 204 |
| 66 | 207 |
| 67 | 224 |
[1,1,1,0,2,1,2,1,1,3,2,2,4,3,3,4,6,5,5,6,7,8,9,10, 10,11,11,14,14,17,16,18,19,23,24,27,29,30,33,36, 41,41,42,46,51,56,60,66,67,71,81,86,93,96,101,110, 121,129,135,144,153,159,173,192,204,207,224] |