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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 5 |
| 5 | 11 |
| 6 | 21 |
| 7 | 42 |
| 8 | 81 |
| 9 | 161 |
| 10 | 312 |
| 11 | 616 |
| 12 | 1209 |
| 13 | 2389 |
| 14 | 4711 |
| 15 | 9344 |
| 16 | 18497 |
| 17 | 36743 |
| 18 | 72955 |
| 19 | 145116 |
| 20 | 288633 |
| 21 | 574729 |
| 22 | 1144449 |
| 23 | 2280526 |
| 24 | 4544941 |
| 25 | 9061735 |
| 26 | 18069964 |
| 27 | 36044048 |
| 28 | 71906735 |
| 29 | 143482301 |
| 30 | 286339916 |
| 31 | 571524114 |
| 32 | 1140868089 |
| 33 | 2277666987 |
| 34 | 4547647110 |
| 35 | 9080853526 |
[1,1,3,5,11,21,42,81,161,312,616,1209,2389,4711, 9344,18497,36743,72955,145116,288633,574729, 1144449,2280526,4544941,9061735,18069964,36044048, 71906735,143482301,286339916,571524114,1140868089, 2277666987,4547647110,9080853526] |