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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 5 |
| 4 | 10 |
| 5 | 18 |
| 6 | 32 |
| 7 | 62 |
| 8 | 118 |
| 9 | 227 |
| 10 | 439 |
| 11 | 839 |
| 12 | 1592 |
| 13 | 3037 |
| 14 | 5823 |
| 15 | 11144 |
| 16 | 21287 |
| 17 | 40672 |
| 18 | 77755 |
| 19 | 148635 |
| 20 | 284114 |
| 21 | 543117 |
| 22 | 1038203 |
| 23 | 1984469 |
| 24 | 3793276 |
| 25 | 7251035 |
| 26 | 13860645 |
| 27 | 26494780 |
| 28 | 50645098 |
| 29 | 96809194 |
| 30 | 185052813 |
| 31 | 353731968 |
| 32 | 676165670 |
| 33 | 1292504296 |
[1,1,5,10,18,32,62,118,227,439,839,1592,3037,5823, 11144,21287,40672,77755,148635,284114,543117, 1038203,1984469,3793276,7251035,13860645,26494780, 50645098,96809194,185052813,353731968,676165670, 1292504296] |