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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 2 |
| 4 | 3 |
| 5 | 8 |
| 6 | 14 |
| 7 | 29 |
| 8 | 57 |
| 9 | 116 |
| 10 | 176 |
| 11 | 380 |
| 12 | 775 |
| 13 | 1556 |
| 14 | 3117 |
| 15 | 6235 |
| 16 | 12469 |
| 17 | 24940 |
| 18 | 37412 |
| 19 | 81058 |
| 20 | 165234 |
| 21 | 332029 |
| 22 | 664839 |
| 23 | 1330073 |
| 24 | 2660350 |
| 25 | 5320760 |
| 26 | 10641579 |
| 27 | 21283186 |
| 28 | 42566387 |
| 29 | 85132780 |
| 30 | 170265565 |
| 31 | 340531131 |
| 32 | 681062261 |
| 33 | 1362124524 |
[1,3,2,3,8,14,29,57,116,176,380,775,1556,3117, 6235,12469,24940,37412,81058,165234,332029,664839, 1330073,2660350,5320760,10641579,21283186, 42566387,85132780,170265565,340531131,681062261, 1362124524] |