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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 15 |
| 6 | 29 |
| 7 | 58 |
| 8 | 115 |
| 9 | 229 |
| 10 | 458 |
| 11 | 916 |
| 12 | 1832 |
| 13 | 3664 |
| 14 | 7328 |
| 15 | 14655 |
| 16 | 29309 |
| 17 | 58618 |
| 18 | 117235 |
| 19 | 234469 |
| 20 | 468938 |
| 21 | 937875 |
| 22 | 1875750 |
| 23 | 3751500 |
| 24 | 7503000 |
| 25 | 15005999 |
| 26 | 30011997 |
| 27 | 60023993 |
| 28 | 120047986 |
| 29 | 240095971 |
| 30 | 480191942 |
| 31 | 960383884 |
| 32 | 1920767767 |
| 33 | 3841535534 |
| 34 | 7683071068 |
[1,1,2,4,8,15,29,58,115,229,458,916,1832,3664, 7328,14655,29309,58618,117235,234469,468938, 937875,1875750,3751500,7503000,15005999,30011997, 60023993,120047986,240095971,480191942,960383884, 1920767767,3841535534,7683071068] |