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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 9 |
| 6 | 14 |
| 7 | 19 |
| 8 | 27 |
| 9 | 37 |
| 10 | 50 |
| 11 | 66 |
| 12 | 89 |
| 13 | 115 |
| 14 | 151 |
| 15 | 195 |
| 16 | 252 |
| 17 | 321 |
| 18 | 412 |
| 19 | 520 |
| 20 | 660 |
| 21 | 829 |
| 22 | 1042 |
| 23 | 1299 |
| 24 | 1623 |
| 25 | 2010 |
| 26 | 2492 |
| 27 | 3071 |
| 28 | 3783 |
| 29 | 4635 |
| 30 | 5679 |
| 31 | 6922 |
| 32 | 8434 |
| 33 | 10234 |
| 34 | 12406 |
| 35 | 14985 |
| 36 | 18085 |
| 37 | 21751 |
| 38 | 26135 |
| 39 | 31312 |
| 40 | 37471 |
| 41 | 44723 |
| 42 | 53321 |
| 43 | 63415 |
| 44 | 75336 |
| 45 | 89303 |
| 46 | 105734 |
| 47 | 124938 |
[1,2,4,6,9,14,19,27,37,50,66,89,115,151,195,252, 321,412,520,660,829,1042,1299,1623,2010,2492,3071, 3783,4635,5679,6922,8434,10234,12406,14985,18085, 21751,26135,31312,37471,44723,53321,63415,75336, 89303,105734,124938] |