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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 9 |
| 4 | 19 |
| 5 | 33 |
| 6 | 53 |
| 7 | 89 |
| 8 | 155 |
| 9 | 261 |
| 10 | 439 |
| 11 | 749 |
| 12 | 1271 |
| 13 | 2149 |
| 14 | 3647 |
| 15 | 6189 |
| 16 | 10487 |
| 17 | 17781 |
| 18 | 30159 |
| 19 | 51133 |
| 20 | 86695 |
| 21 | 147013 |
| 22 | 249279 |
| 23 | 422669 |
| 24 | 716695 |
| 25 | 1215253 |
| 26 | 2060591 |
| 27 | 3493981 |
| 28 | 5924487 |
| 29 | 10045669 |
| 30 | 17033631 |
| 31 | 28882605 |
| 32 | 48973943 |
| 33 | 83041205 |
| 34 | 140806415 |
| 35 | 238754301 |
[3,7,9,19,33,53,89,155,261,439,749,1271,2149,3647, 6189,10487,17781,30159,51133,86695,147013,249279, 422669,716695,1215253,2060591,3493981,5924487, 10045669,17033631,28882605,48973943,83041205, 140806415,238754301] |