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