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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 9 |
| 6 | 15 |
| 7 | 33 |
| 8 | 62 |
| 9 | 130 |
| 10 | 264 |
| 11 | 554 |
| 12 | 1081 |
| 13 | 2237 |
| 14 | 4483 |
| 15 | 8952 |
| 16 | 17933 |
| 17 | 35921 |
| 18 | 71755 |
| 19 | 143502 |
| 20 | 286713 |
| 21 | 573198 |
| 22 | 1146540 |
| 23 | 2292277 |
| 24 | 4584087 |
| 25 | 9166802 |
| 26 | 18334880 |
| 27 | 36668210 |
| 28 | 73336840 |
| 29 | 146672469 |
| 30 | 293348402 |
| 31 | 586695560 |
| 32 | 1173398119 |
| 33 | 2346805311 |
| 34 | 4693617598 |
| 35 | 9387229673 |
[1,1,2,3,5,9,15,33,62,130,264,554,1081,2237,4483, 8952,17933,35921,71755,143502,286713,573198, 1146540,2292277,4584087,9166802,18334880,36668210, 73336840,146672469,293348402,586695560,1173398119, 2346805311,4693617598,9387229673] |