| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 4 |
| 10 | 5 |
| 11 | 6 |
| 12 | 7 |
| 13 | 8 |
| 14 | 10 |
| 15 | 12 |
| 16 | 13 |
| 17 | 15 |
| 18 | 18 |
| 19 | 21 |
| 20 | 24 |
| 21 | 27 |
| 22 | 31 |
| 23 | 36 |
| 24 | 41 |
| 25 | 46 |
| 26 | 52 |
| 27 | 60 |
| 28 | 68 |
| 29 | 76 |
| 30 | 86 |
| 31 | 97 |
| 32 | 109 |
| 33 | 122 |
| 34 | 136 |
| 35 | 153 |
| 36 | 172 |
| 37 | 191 |
| 38 | 212 |
| 39 | 237 |
| 40 | 264 |
| 41 | 293 |
| 42 | 325 |
| 43 | 360 |
| 44 | 400 |
| 45 | 443 |
| 46 | 488 |
| 47 | 539 |
| 48 | 596 |
| 49 | 657 |
| 50 | 723 |
| 51 | 796 |
| 52 | 876 |
| 53 | 963 |
| 54 | 1057 |
| 55 | 1159 |
| 56 | 1272 |
| 57 | 1395 |
| 58 | 1526 |
| 59 | 1669 |
| 60 | 1827 |
[1,1,1,1,1,2,3,3,3,4,5,6,7,8,10,12,13,15,18,21,24, 27,31,36,41,46,52,60,68,76,86,97,109,122,136,153, 172,191,212,237,264,293,325,360,400,443,488,539, 596,657,723,796,876,963,1057,1159,1272,1395,1526, 1669,1827] |