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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 1 |
| 7 | 2 |
| 8 | 4 |
| 9 | 4 |
| 10 | 4 |
| 11 | 8 |
| 12 | 5 |
| 13 | 9 |
| 14 | 8 |
| 15 | 9 |
| 16 | 6 |
| 17 | 9 |
| 18 | 12 |
| 19 | 11 |
| 20 | 10 |
| 21 | 10 |
| 22 | 16 |
| 23 | 11 |
| 24 | 16 |
| 25 | 12 |
| 26 | 20 |
| 27 | 10 |
| 28 | 18 |
| 29 | 26 |
| 30 | 20 |
| 31 | 25 |
| 32 | 26 |
| 33 | 23 |
| 34 | 24 |
| 35 | 26 |
| 36 | 27 |
| 37 | 31 |
| 38 | 28 |
| 39 | 25 |
| 40 | 28 |
| 41 | 26 |
| 42 | 30 |
| 43 | 25 |
| 44 | 36 |
| 45 | 25 |
| 46 | 31 |
| 47 | 37 |
| 48 | 36 |
| 49 | 25 |
| 50 | 35 |
| 51 | 36 |
| 52 | 37 |
| 53 | 49 |
| 54 | 36 |
| 55 | 48 |
| 56 | 48 |
| 57 | 49 |
| 58 | 48 |
| 59 | 44 |
| 60 | 45 |
| 61 | 41 |
| 62 | 48 |
| 63 | 49 |
| 64 | 40 |
| 65 | 56 |
| 66 | 45 |
| 67 | 49 |
| 68 | 64 |
| 69 | 49 |
| 70 | 45 |
| 71 | 53 |
| 72 | 60 |
| 73 | 64 |
| 74 | 64 |
| 75 | 65 |
[0,0,1,1,2,1,2,4,4,4,8,5,9,8,9,6,9,12,11,10,10,16, 11,16,12,20,10,18,26,20,25,26,23,24,26,27,31,28, 25,28,26,30,25,36,25,31,37,36,25,35,36,37,49,36, 48,48,49,48,44,45,41,48,49,40,56,45,49,64,49,45, 53,60,64,64,65] |