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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 9 |
| 3 | 29 |
| 4 | 75 |
| 5 | 165 |
| 6 | 331 |
| 7 | 623 |
| 8 | 1123 |
| 9 | 1963 |
| 10 | 3357 |
| 11 | 5651 |
| 12 | 9405 |
| 13 | 15525 |
| 14 | 25477 |
| 15 | 41633 |
| 16 | 67831 |
| 17 | 110281 |
| 18 | 179031 |
| 19 | 290339 |
| 20 | 470511 |
| 21 | 762111 |
| 22 | 1234009 |
| 23 | 1997639 |
| 24 | 3233305 |
| 25 | 5232745 |
| 26 | 8468001 |
| 27 | 13702853 |
| 28 | 22173123 |
| 29 | 35878413 |
| 30 | 58054147 |
| 31 | 93935351 |
| 32 | 151992475 |
[1,1,9,29,75,165,331,623,1123,1963,3357,5651,9405, 15525,25477,41633,67831,110281,179031,290339, 470511,762111,1234009,1997639,3233305,5232745, 8468001,13702853,22173123,35878413,58054147, 93935351,151992475] |