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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 9 |
| 4 | 17 |
| 5 | 29 |
| 6 | 49 |
| 7 | 81 |
| 8 | 135 |
| 9 | 225 |
| 10 | 371 |
| 11 | 614 |
| 12 | 1013 |
| 13 | 1672 |
| 14 | 2757 |
| 15 | 4548 |
| 16 | 7499 |
| 17 | 12365 |
| 18 | 20388 |
| 19 | 33615 |
| 20 | 55423 |
| 21 | 91378 |
| 22 | 150659 |
| 23 | 248395 |
| 24 | 409536 |
| 25 | 675212 |
| 26 | 1113237 |
| 27 | 1835419 |
| 28 | 3026095 |
| 29 | 4989189 |
| 30 | 8225783 |
| 31 | 13562025 |
| 32 | 22360001 |
| 33 | 36865410 |
| 34 | 60780788 |
| 35 | 100210579 |
| 36 | 165219314 |
| 37 | 272400598 |
| 38 | 449112661 |
[2,5,9,17,29,49,81,135,225,371,614,1013,1672,2757, 4548,7499,12365,20388,33615,55423,91378,150659, 248395,409536,675212,1113237,1835419,3026095, 4989189,8225783,13562025,22360001,36865410, 60780788,100210579,165219314,272400598,449112661] |