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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 2 |
| 7 | 5 |
| 8 | 5 |
| 9 | 7 |
| 10 | 4 |
| 11 | 8 |
| 12 | 5 |
| 13 | 10 |
| 14 | 9 |
| 15 | 11 |
| 16 | 10 |
| 17 | 14 |
| 18 | 10 |
| 19 | 13 |
| 20 | 16 |
| 21 | 14 |
| 22 | 16 |
| 23 | 18 |
| 24 | 18 |
| 25 | 19 |
| 26 | 20 |
| 27 | 16 |
| 28 | 20 |
| 29 | 21 |
| 30 | 23 |
| 31 | 23 |
| 32 | 25 |
| 33 | 23 |
| 34 | 27 |
| 35 | 30 |
| 36 | 23 |
| 37 | 27 |
| 38 | 27 |
| 39 | 31 |
| 40 | 27 |
| 41 | 33 |
| 42 | 31 |
| 43 | 31 |
| 44 | 33 |
| 45 | 37 |
| 46 | 31 |
| 47 | 41 |
| 48 | 31 |
| 49 | 41 |
| 50 | 39 |
| 51 | 40 |
| 52 | 34 |
| 53 | 43 |
| 54 | 45 |
| 55 | 47 |
| 56 | 36 |
| 57 | 45 |
| 58 | 40 |
| 59 | 50 |
| 60 | 43 |
| 61 | 51 |
| 62 | 44 |
| 63 | 47 |
| 64 | 50 |
| 65 | 56 |
| 66 | 41 |
| 67 | 56 |
| 68 | 53 |
| 69 | 55 |
| 70 | 47 |
| 71 | 61 |
| 72 | 55 |
| 73 | 60 |
| 74 | 57 |
[1,0,1,1,3,2,5,5,7,4,8,5,10,9,11,10,14,10,13,16, 14,16,18,18,19,20,16,20,21,23,23,25,23,27,30,23, 27,27,31,27,33,31,31,33,37,31,41,31,41,39,40,34, 43,45,47,36,45,40,50,43,51,44,47,50,56,41,56,53, 55,47,61,55,60,57] |