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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 11 |
| 7 | 25 |
| 8 | 46 |
| 9 | 94 |
| 10 | 182 |
| 11 | 372 |
| 12 | 727 |
| 13 | 1471 |
| 14 | 2916 |
| 15 | 5849 |
| 16 | 11657 |
| 17 | 23364 |
| 18 | 46620 |
| 19 | 93348 |
| 20 | 186503 |
| 21 | 373172 |
| 22 | 745998 |
| 23 | 1492369 |
| 24 | 2983948 |
| 25 | 5968679 |
| 26 | 11935893 |
| 27 | 23873162 |
| 28 | 47743475 |
| 29 | 95489895 |
| 30 | 190973738 |
| 31 | 381953528 |
| 32 | 763883691 |
| 33 | 11658 |
| 34 | 11333 |
| 35 | 342 |
[1,1,2,3,7,11,25,46,94,182,372,727,1471,2916,5849, 11657,23364,46620,93348,186503,373172,745998, 1492369,2983948,5968679,11935893,23873162, 47743475,95489895,190973738,381953528,763883691, 11658,11333,342] |