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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 8 |
| 3 | 11 |
| 4 | 17 |
| 5 | 27 |
| 6 | 47 |
| 7 | 83 |
| 8 | 155 |
| 9 | 291 |
| 10 | 563 |
| 11 | 1091 |
| 12 | 2147 |
| 13 | 4227 |
| 14 | 8387 |
| 15 | 16643 |
| 16 | 33155 |
| 17 | 66051 |
| 18 | 131843 |
| 19 | 263171 |
| 20 | 525827 |
| 21 | 1050627 |
| 22 | 2100227 |
| 23 | 4198403 |
| 24 | 8394755 |
| 25 | 16785411 |
| 26 | 33566723 |
| 27 | 67125251 |
| 28 | 134242307 |
| 29 | 268468227 |
| 30 | 536920067 |
| 31 | 1073807363 |
| 32 | 2147581955 |
| 33 | 4295098371 |
[6,8,11,17,27,47,83,155,291,563,1091,2147,4227, 8387,16643,33155,66051,131843,263171,525827, 1050627,2100227,4198403,8394755,16785411,33566723, 67125251,134242307,268468227,536920067,1073807363, 2147581955,4295098371] |