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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 9 |
| 7 | 11 |
| 8 | 19 |
| 9 | 29 |
| 10 | 48 |
| 11 | 75 |
| 12 | 132 |
| 13 | 213 |
| 14 | 369 |
| 15 | 627 |
| 16 | 1083 |
| 17 | 1857 |
| 18 | 3244 |
| 19 | 5619 |
| 20 | 9844 |
| 21 | 17205 |
| 22 | 30229 |
| 23 | 53115 |
| 24 | 93701 |
| 25 | 165313 |
| 26 | 292464 |
| 27 | 517831 |
| 28 | 918578 |
| 29 | 1630933 |
| 30 | 2900109 |
| 31 | 5161443 |
| 32 | 9197251 |
| 33 | 16402841 |
| 34 | 29283026 |
| 35 | 52319379 |
| 36 | 93558968 |
| 37 | 167427845 |
| 38 | 299846737 |
| 39 | 537358107 |
| 40 | 963651447 |
| 41 | 1729192433 |
[1,2,3,4,5,9,11,19,29,48,75,132,213,369,627,1083, 1857,3244,5619,9844,17205,30229,53115,93701, 165313,292464,517831,918578,1630933,2900109, 5161443,9197251,16402841,29283026,52319379, 93558968,167427845,299846737,537358107,963651447, 1729192433] |