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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 9 |
| 7 | 15 |
| 8 | 27 |
| 9 | 47 |
| 10 | 85 |
| 11 | 151 |
| 12 | 272 |
| 13 | 486 |
| 14 | 874 |
| 15 | 1569 |
| 16 | 2819 |
| 17 | 5063 |
| 18 | 9098 |
| 19 | 16345 |
| 20 | 29369 |
| 21 | 52769 |
| 22 | 94817 |
| 23 | 170368 |
| 24 | 306125 |
| 25 | 550055 |
| 26 | 988364 |
| 27 | 1775934 |
| 28 | 3191079 |
| 29 | 5733875 |
| 30 | 10302889 |
| 31 | 18512702 |
| 32 | 33264474 |
| 33 | 59771136 |
| 34 | 107399532 |
| 35 | 192980424 |
[1,1,2,3,5,9,15,27,47,85,151,272,486,874,1569, 2819,5063,9098,16345,29369,52769,94817,170368, 306125,550055,988364,1775934,3191079,5733875, 10302889,18512702,33264474,59771136,107399532, 192980424] |