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