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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 2 |
| 7 | 3 |
| 8 | 3 |
| 9 | 3 |
| 10 | 5 |
| 11 | 5 |
| 12 | 6 |
| 13 | 6 |
| 14 | 7 |
| 15 | 9 |
| 16 | 9 |
| 17 | 11 |
| 18 | 11 |
| 19 | 12 |
| 20 | 15 |
| 21 | 16 |
| 22 | 18 |
| 23 | 18 |
| 24 | 20 |
| 25 | 23 |
| 26 | 24 |
| 27 | 27 |
| 28 | 28 |
| 29 | 30 |
| 30 | 34 |
| 31 | 36 |
| 32 | 39 |
| 33 | 40 |
| 34 | 43 |
| 35 | 48 |
| 36 | 50 |
| 37 | 54 |
| 38 | 56 |
| 39 | 59 |
| 40 | 65 |
| 41 | 68 |
| 42 | 73 |
| 43 | 75 |
| 44 | 79 |
| 45 | 86 |
| 46 | 89 |
| 47 | 95 |
| 48 | 98 |
| 49 | 103 |
| 50 | 111 |
| 51 | 115 |
| 52 | 122 |
| 53 | 125 |
| 54 | 131 |
| 55 | 140 |
| 56 | 145 |
| 57 | 153 |
[1,1,1,1,1,2,2,3,3,3,5,5,6,6,7,9,9,11,11,12,15,16, 18,18,20,23,24,27,28,30,34,36,39,40,43,48,50,54, 56,59,65,68,73,75,79,86,89,95,98,103,111,115,122, 125,131,140,145,153] |