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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 8 |
| 8 | 10 |
| 9 | 15 |
| 10 | 23 |
| 11 | 35 |
| 12 | 58 |
| 13 | 101 |
| 14 | 193 |
| 15 | 381 |
| 16 | 817 |
| 17 | 1820 |
| 18 | 4298 |
| 19 | 10550 |
| 20 | 27037 |
| 21 | 71715 |
| 22 | 197062 |
| 23 | 558923 |
| 24 | 1635948 |
| 25 | 4932931 |
| 26 | 15313467 |
| 27 | 48883315 |
| 28 | 160311731 |
| 29 | 539527417 |
| 30 | 1861545528 |
| 31 | 6578404569 |
| 32 | 23788920636 |
| 33 | 87961893345 |
| 34 | 332339327570 |
[1,1,2,3,4,5,8,10,15,23,35,58,101,193,381,817, 1820,4298,10550,27037,71715,197062,558923,1635948, 4932931,15313467,48883315,160311731,539527417, 1861545528,6578404569,23788920636,87961893345, 332339327570] |