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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 4 |
| 6 | 6 |
| 7 | 10 |
| 8 | 16 |
| 9 | 29 |
| 10 | 52 |
| 11 | 94 |
| 12 | 171 |
| 13 | 316 |
| 14 | 586 |
| 15 | 1093 |
| 16 | 2048 |
| 17 | 3856 |
| 18 | 7282 |
| 19 | 13798 |
| 20 | 26215 |
| 21 | 49933 |
| 22 | 95326 |
| 23 | 182362 |
| 24 | 349526 |
| 25 | 671089 |
| 26 | 1290556 |
| 27 | 2485514 |
| 28 | 4793491 |
| 29 | 9256396 |
| 30 | 17895698 |
| 31 | 34636834 |
| 32 | 67108864 |
| 33 | 130150525 |
| 34 | 252645136 |
| 35 | 490853406 |
[1,1,2,2,4,6,10,16,29,52,94,171,316,586,1093,2048, 3856,7282,13798,26215,49933,95326,182362,349526, 671089,1290556,2485514,4793491,9256396,17895698, 34636834,67108864,130150525,252645136,490853406] |