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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 9 |
| 4 | 13 |
| 5 | 24 |
| 6 | 35 |
| 7 | 66 |
| 8 | 98 |
| 9 | 190 |
| 10 | 284 |
| 11 | 559 |
| 12 | 840 |
| 13 | 1664 |
| 14 | 2506 |
| 15 | 4977 |
| 16 | 7502 |
| 17 | 14914 |
| 18 | 22488 |
| 19 | 44723 |
| 20 | 67443 |
| 21 | 134147 |
| 22 | 202306 |
| 23 | 402417 |
| 24 | 606893 |
| 25 | 1207225 |
| 26 | 1820652 |
| 27 | 3621647 |
| 28 | 5461927 |
| 29 | 10864911 |
| 30 | 16385749 |
| 31 | 32594700 |
| 32 | 49157213 |
| 33 | 97784065 |
| 34 | 147471603 |
| 35 | 293352158 |
[1,3,5,9,13,24,35,66,98,190,284,559,840,1664,2506, 4977,7502,14914,22488,44723,67443,134147,202306, 402417,606893,1207225,1820652,3621647,5461927, 10864911,16385749,32594700,49157213,97784065, 147471603,293352158] |