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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 8 |
| 4 | 15 |
| 5 | 29 |
| 6 | 55 |
| 7 | 104 |
| 8 | 196 |
| 9 | 368 |
| 10 | 692 |
| 11 | 1304 |
| 12 | 2457 |
| 13 | 4627 |
| 14 | 8713 |
| 15 | 16408 |
| 16 | 30899 |
| 17 | 58189 |
| 18 | 109583 |
| 19 | 206368 |
| 20 | 388632 |
| 21 | 731872 |
| 22 | 1378264 |
| 23 | 2595552 |
| 24 | 4887953 |
| 25 | 9205011 |
| 26 | 17334909 |
| 27 | 32645160 |
| 28 | 61477479 |
| 29 | 115774605 |
| 30 | 218027143 |
| 31 | 410589480 |
| 32 | 773223548 |
| 33 | 1456137296 |
[1,3,5,8,15,29,55,104,196,368,692,1304,2457,4627, 8713,16408,30899,58189,109583,206368,388632, 731872,1378264,2595552,4887953,9205011,17334909, 32645160,61477479,115774605,218027143,410589480, 773223548,1456137296] |