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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 5 |
| 4 | 9 |
| 5 | 14 |
| 6 | 27 |
| 7 | 46 |
| 8 | 91 |
| 9 | 162 |
| 10 | 323 |
| 11 | 589 |
| 12 | 1177 |
| 13 | 2179 |
| 14 | 4357 |
| 15 | 8152 |
| 16 | 16303 |
| 17 | 30746 |
| 18 | 61491 |
| 19 | 116689 |
| 20 | 233377 |
| 21 | 445095 |
| 22 | 890189 |
| 23 | 1704795 |
| 24 | 3409589 |
| 25 | 6552379 |
| 26 | 13104757 |
| 27 | 25258601 |
| 28 | 50517201 |
| 29 | 97617061 |
| 30 | 195234121 |
| 31 | 378098956 |
| 32 | 756197911 |
| 33 | 1467343306 |
| 34 | 2934686611 |
| 35 | 5704370761 |
[1,2,4,5,9,14,27,46,91,162,323,589,1177,2179,4357, 8152,16303,30746,61491,116689,233377,445095, 890189,1704795,3409589,6552379,13104757,25258601, 50517201,97617061,195234121,378098956,756197911, 1467343306,2934686611,5704370761] |