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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 0 |
| 8 | 2 |
| 9 | 1 |
| 10 | 1 |
| 11 | 3 |
| 12 | 1 |
| 13 | 2 |
| 14 | 3 |
| 15 | 2 |
| 16 | 4 |
| 17 | 3 |
| 18 | 3 |
| 19 | 5 |
| 20 | 4 |
| 21 | 5 |
| 22 | 6 |
| 23 | 5 |
| 24 | 7 |
| 25 | 7 |
| 26 | 7 |
| 27 | 9 |
| 28 | 8 |
| 29 | 9 |
| 30 | 11 |
| 31 | 10 |
| 32 | 12 |
| 33 | 13 |
| 34 | 12 |
| 35 | 15 |
| 36 | 15 |
| 37 | 15 |
| 38 | 18 |
| 39 | 17 |
| 40 | 19 |
| 41 | 21 |
| 42 | 20 |
| 43 | 23 |
| 44 | 24 |
| 45 | 24 |
| 46 | 27 |
| 47 | 27 |
| 48 | 29 |
| 49 | 31 |
| 50 | 31 |
| 51 | 34 |
| 52 | 35 |
| 53 | 36 |
| 54 | 39 |
| 55 | 40 |
| 56 | 42 |
| 57 | 44 |
| 58 | 45 |
| 59 | 48 |
| 60 | 50 |
| 61 | 51 |
| 62 | 54 |
| 63 | 56 |
[1,0,0,1,0,1,1,0,2,1,1,3,1,2,3,2,4,3,3,5,4,5,6,5, 7,7,7,9,8,9,11,10,12,13,12,15,15,15,18,17,19,21, 20,23,24,24,27,27,29,31,31,34,35,36,39,40,42,44, 45,48,50,51,54,56] |