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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 8 |
| 5 | 15 |
| 6 | 22 |
| 7 | 39 |
| 8 | 56 |
| 9 | 97 |
| 10 | 138 |
| 11 | 237 |
| 12 | 336 |
| 13 | 575 |
| 14 | 814 |
| 15 | 1391 |
| 16 | 1968 |
| 17 | 3361 |
| 18 | 4754 |
| 19 | 8117 |
| 20 | 11480 |
| 21 | 19599 |
| 22 | 27718 |
| 23 | 47319 |
| 24 | 66920 |
| 25 | 114241 |
| 26 | 161562 |
| 27 | 275805 |
| 28 | 390048 |
| 29 | 665855 |
| 30 | 941662 |
| 31 | 1607519 |
| 32 | 2273376 |
| 33 | 3880897 |
| 34 | 5488418 |
| 35 | 9369317 |
[1,2,5,8,15,22,39,56,97,138,237,336,575,814,1391, 1968,3361,4754,8117,11480,19599,27718,47319,66920, 114241,161562,275805,390048,665855,941662,1607519, 2273376,3880897,5488418,9369317] |