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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 5 |
| 5 | 9 |
| 6 | 14 |
| 7 | 23 |
| 8 | 46 |
| 9 | 92 |
| 10 | 115 |
| 11 | 230 |
| 12 | 345 |
| 13 | 690 |
| 14 | 1035 |
| 15 | 1127 |
| 16 | 2254 |
| 17 | 4508 |
| 18 | 5635 |
| 19 | 11270 |
| 20 | 12397 |
| 21 | 12627 |
| 22 | 25254 |
| 23 | 25268 |
| 24 | 37665 |
| 25 | 62933 |
| 26 | 100598 |
| 27 | 201196 |
| 28 | 264129 |
| 29 | 528258 |
| 30 | 591191 |
| 31 | 1182382 |
| 32 | 1773573 |
| 33 | 2955955 |
| 34 | 5911910 |
| 35 | 7685483 |
| 36 | 15370966 |
| 37 | 30741932 |
| 38 | 38427415 |
[1,2,4,5,9,14,23,46,92,115,230,345,690,1035,1127, 2254,4508,5635,11270,12397,12627,25254,25268, 37665,62933,100598,201196,264129,528258,591191, 1182382,1773573,2955955,5911910,7685483,15370966, 30741932,38427415] |