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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 5 |
| 8 | 7 |
| 9 | 9 |
| 10 | 11 |
| 11 | 14 |
| 12 | 18 |
| 13 | 22 |
| 14 | 27 |
| 15 | 34 |
| 16 | 41 |
| 17 | 50 |
| 18 | 61 |
| 19 | 73 |
| 20 | 88 |
| 21 | 106 |
| 22 | 126 |
| 23 | 150 |
| 24 | 179 |
| 25 | 211 |
| 26 | 249 |
| 27 | 294 |
| 28 | 345 |
| 29 | 404 |
| 30 | 473 |
| 31 | 551 |
| 32 | 642 |
| 33 | 747 |
| 34 | 865 |
| 35 | 1002 |
| 36 | 1159 |
| 37 | 1336 |
| 38 | 1539 |
| 39 | 1771 |
| 40 | 2033 |
| 41 | 2331 |
| 42 | 2670 |
| 43 | 3052 |
| 44 | 3485 |
| 45 | 3976 |
| 46 | 4527 |
| 47 | 5150 |
| 48 | 5854 |
| 49 | 6642 |
| 50 | 7530 |
| 51 | 8529 |
| 52 | 9647 |
| 53 | 10902 |
[1,1,1,2,2,3,4,5,7,9,11,14,18,22,27,34,41,50,61, 73,88,106,126,150,179,211,249,294,345,404,473,551, 642,747,865,1002,1159,1336,1539,1771,2033,2331, 2670,3052,3485,3976,4527,5150,5854,6642,7530,8529, 9647,10902] |