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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 11 |
| 7 | 21 |
| 8 | 34 |
| 9 | 45 |
| 10 | 122 |
| 11 | 243 |
| 12 | 478 |
| 13 | 933 |
| 14 | 1778 |
| 15 | 3200 |
| 16 | 5100 |
| 17 | 6878 |
| 18 | 18854 |
| 19 | 37707 |
| 20 | 75406 |
| 21 | 150789 |
| 22 | 301490 |
| 23 | 602624 |
| 24 | 1203948 |
| 25 | 2404574 |
| 26 | 4795394 |
| 27 | 9534236 |
| 28 | 18842388 |
| 29 | 36782318 |
| 30 | 69973190 |
| 31 | 125899386 |
| 32 | 200667970 |
| 33 | 270641160 |
| 34 | 741950288 |
[1,2,2,3,5,11,21,34,45,122,243,478,933,1778,3200, 5100,6878,18854,37707,75406,150789,301490,602624, 1203948,2404574,4795394,9534236,18842388,36782318, 69973190,125899386,200667970,270641160,741950288] |