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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 3 |
| 4 | 3 |
| 5 | 7 |
| 6 | 11 |
| 7 | 23 |
| 8 | 35 |
| 9 | 47 |
| 10 | 75 |
| 11 | 119 |
| 12 | 211 |
| 13 | 351 |
| 14 | 539 |
| 15 | 839 |
| 16 | 1315 |
| 17 | 2159 |
| 18 | 3563 |
| 19 | 5719 |
| 20 | 9075 |
| 21 | 14335 |
| 22 | 22971 |
| 23 | 37223 |
| 24 | 60099 |
| 25 | 96399 |
| 26 | 153739 |
| 27 | 245623 |
| 28 | 394515 |
| 29 | 634911 |
| 30 | 1020507 |
| 31 | 1635463 |
| 32 | 2617955 |
| 33 | 4196015 |
| 34 | 6735659 |
| 35 | 10817687 |
| 36 | 17359539 |
| 37 | 27831359 |
| 38 | 44615419 |
[1,1,3,3,3,7,11,23,35,47,75,119,211,351,539,839, 1315,2159,3563,5719,9075,14335,22971,37223,60099, 96399,153739,245623,394515,634911,1020507,1635463, 2617955,4196015,6735659,10817687,17359539, 27831359,44615419] |