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