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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 11 |
| 6 | 23 |
| 7 | 45 |
| 8 | 88 |
| 9 | 174 |
| 10 | 353 |
| 11 | 705 |
| 12 | 1408 |
| 13 | 2814 |
| 14 | 5623 |
| 15 | 11234 |
| 16 | 22446 |
| 17 | 44849 |
| 18 | 89785 |
| 19 | 179569 |
| 20 | 359136 |
| 21 | 718270 |
| 22 | 1436535 |
| 23 | 2873058 |
| 24 | 5746094 |
| 25 | 11492145 |
| 26 | 22984204 |
| 27 | 45968229 |
| 28 | 91936106 |
| 29 | 183871509 |
| 30 | 367741612 |
| 31 | 735480415 |
| 32 | 1470955219 |
[1,2,4,6,11,23,45,88,174,353,705,1408,2814,5623, 11234,22446,44849,89785,179569,359136,718270, 1436535,2873058,5746094,11492145,22984204, 45968229,91936106,183871509,367741612,735480415, 1470955219] |