| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 4 |
| 9 | 5 |
| 10 | 6 |
| 11 | 7 |
| 12 | 8 |
| 13 | 9 |
| 14 | 10 |
| 15 | 12 |
| 16 | 14 |
| 17 | 15 |
| 18 | 16 |
| 19 | 18 |
| 20 | 21 |
| 21 | 23 |
| 22 | 25 |
| 23 | 27 |
| 24 | 30 |
| 25 | 33 |
| 26 | 36 |
| 27 | 39 |
| 28 | 42 |
| 29 | 45 |
| 30 | 49 |
| 31 | 53 |
| 32 | 57 |
| 33 | 61 |
| 34 | 65 |
| 35 | 70 |
| 36 | 75 |
| 37 | 80 |
| 38 | 85 |
| 39 | 90 |
| 40 | 96 |
| 41 | 102 |
| 42 | 108 |
| 43 | 114 |
| 44 | 121 |
| 45 | 128 |
| 46 | 135 |
| 47 | 142 |
| 48 | 150 |
| 49 | 158 |
| 50 | 166 |
| 51 | 174 |
| 52 | 183 |
| 53 | 192 |
| 54 | 201 |
[1,1,1,1,2,3,3,3,4,5,6,7,8,9,10,12,14,15,16,18,21, 23,25,27,30,33,36,39,42,45,49,53,57,61,65,70,75, 80,85,90,96,102,108,114,121,128,135,142,150,158, 166,174,183,192,201] |