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