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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 17 |
| 6 | 30 |
| 7 | 52 |
| 8 | 91 |
| 9 | 161 |
| 10 | 285 |
| 11 | 503 |
| 12 | 889 |
| 13 | 1573 |
| 14 | 2782 |
| 15 | 4920 |
| 16 | 8697 |
| 17 | 15368 |
| 18 | 27146 |
| 19 | 47928 |
| 20 | 84590 |
| 21 | 149246 |
| 22 | 263247 |
| 23 | 464214 |
| 24 | 818445 |
| 25 | 1442762 |
| 26 | 2543025 |
| 27 | 4482001 |
| 28 | 7898979 |
| 29 | 13920609 |
| 30 | 24532535 |
| 31 | 43234510 |
| 32 | 76195273 |
| 33 | 134288583 |
| 34 | 236682848 |
| 35 | 417170144 |
| 36 | 735325596 |
| 37 | 1296184444 |
[1,1,3,5,9,17,30,52,91,161,285,503,889,1573,2782, 4920,8697,15368,27146,47928,84590,149246,263247, 464214,818445,1442762,2543025,4482001,7898979, 13920609,24532535,43234510,76195273,134288583, 236682848,417170144,735325596,1296184444] |