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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 4 |
| 8 | 6 |
| 9 | 6 |
| 10 | 9 |
| 11 | 11 |
| 12 | 13 |
| 13 | 17 |
| 14 | 20 |
| 15 | 24 |
| 16 | 30 |
| 17 | 36 |
| 18 | 41 |
| 19 | 52 |
| 20 | 60 |
| 21 | 71 |
| 22 | 84 |
| 23 | 100 |
| 24 | 114 |
| 25 | 137 |
| 26 | 158 |
| 27 | 183 |
| 28 | 214 |
| 29 | 248 |
| 30 | 283 |
| 31 | 330 |
| 32 | 379 |
| 33 | 432 |
| 34 | 499 |
| 35 | 570 |
| 36 | 648 |
| 37 | 742 |
| 38 | 846 |
| 39 | 955 |
| 40 | 1092 |
| 41 | 1234 |
| 42 | 1395 |
| 43 | 1580 |
| 44 | 1786 |
| 45 | 2005 |
| 46 | 2270 |
| 47 | 2548 |
| 48 | 2861 |
| 49 | 3216 |
| 50 | 3610 |
| 51 | 4032 |
| 52 | 4526 |
| 53 | 5055 |
| 54 | 5642 |
| 55 | 6304 |
| 56 | 7031 |
| 57 | 7820 |
| 58 | 8720 |
| 59 | 9694 |
[0,1,1,1,2,2,3,4,6,6,9,11,13,17,20,24,30,36,41,52, 60,71,84,100,114,137,158,183,214,248,283,330,379, 432,499,570,648,742,846,955,1092,1234,1395,1580, 1786,2005,2270,2548,2861,3216,3610,4032,4526,5055, 5642,6304,7031,7820,8720,9694] |