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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 33 |
| 7 | 68 |
| 8 | 140 |
| 9 | 287 |
| 10 | 588 |
| 11 | 1202 |
| 12 | 2453 |
| 13 | 4998 |
| 14 | 10171 |
| 15 | 20675 |
| 16 | 41985 |
| 17 | 85186 |
| 18 | 172704 |
| 19 | 349891 |
| 20 | 708417 |
| 21 | 1433495 |
| 22 | 2899190 |
| 23 | 5860705 |
| 24 | 11842209 |
| 25 | 23918846 |
| 26 | 48293161 |
| 27 | 97472205 |
| 28 | 196669165 |
| 29 | 396699440 |
| 30 | 799954518 |
| 31 | 1612705792 |
| 32 | 3250410162 |
[0,1,2,4,8,16,33,68,140,287,588,1202,2453,4998, 10171,20675,41985,85186,172704,349891,708417, 1433495,2899190,5860705,11842209,23918846, 48293161,97472205,196669165,396699440,799954518, 1612705792,3250410162] |