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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 7 |
| 3 | 14 |
| 4 | 27 |
| 5 | 48 |
| 6 | 83 |
| 7 | 140 |
| 8 | 233 |
| 9 | 384 |
| 10 | 629 |
| 11 | 1026 |
| 12 | 1669 |
| 13 | 2710 |
| 14 | 4395 |
| 15 | 7122 |
| 16 | 11535 |
| 17 | 18676 |
| 18 | 30231 |
| 19 | 48928 |
| 20 | 79181 |
| 21 | 128132 |
| 22 | 207337 |
| 23 | 335494 |
| 24 | 542857 |
| 25 | 878378 |
| 26 | 1421263 |
| 27 | 2299670 |
| 28 | 3720963 |
| 29 | 6020664 |
| 30 | 9741659 |
| 31 | 15762356 |
| 32 | 25504049 |
| 33 | 41266440 |
| 34 | 66770525 |
| 35 | 108037002 |
| 36 | 174807565 |
[1,2,7,14,27,48,83,140,233,384,629,1026,1669,2710, 4395,7122,11535,18676,30231,48928,79181,128132, 207337,335494,542857,878378,1421263,2299670, 3720963,6020664,9741659,15762356,25504049, 41266440,66770525,108037002,174807565] |