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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 11 |
| 4 | 22 |
| 5 | 42 |
| 6 | 77 |
| 7 | 135 |
| 8 | 231 |
| 9 | 385 |
| 10 | 627 |
| 11 | 1002 |
| 12 | 1575 |
| 13 | 2436 |
| 14 | 3718 |
| 15 | 5604 |
| 16 | 8349 |
| 17 | 12310 |
| 18 | 17977 |
| 19 | 26015 |
| 20 | 37338 |
| 21 | 53174 |
| 22 | 75175 |
| 23 | 105558 |
| 24 | 147273 |
| 25 | 204226 |
| 26 | 281589 |
| 27 | 386155 |
| 28 | 526823 |
| 29 | 715220 |
| 30 | 966467 |
| 31 | 1300156 |
| 32 | 1741630 |
| 33 | 2323520 |
| 34 | 3087735 |
| 35 | 4087968 |
| 36 | 5392783 |
| 37 | 7089500 |
| 38 | 9289091 |
[1,2,5,11,22,42,77,135,231,385,627,1002,1575,2436, 3718,5604,8349,12310,17977,26015,37338,53174, 75175,105558,147273,204226,281589,386155,526823, 715220,966467,1300156,1741630,2323520,3087735, 4087968,5392783,7089500,9289091] |