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