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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 5 |
| 2 | 11 |
| 3 | 22 |
| 4 | 43 |
| 5 | 87 |
| 6 | 174 |
| 7 | 348 |
| 8 | 696 |
| 9 | 1392 |
| 10 | 2784 |
| 11 | 5567 |
| 12 | 11134 |
| 13 | 22268 |
| 14 | 44536 |
| 15 | 89073 |
| 16 | 178145 |
| 17 | 356291 |
| 18 | 712581 |
| 19 | 1425163 |
| 20 | 2850325 |
| 21 | 5700650 |
| 22 | 11401300 |
| 23 | 22802601 |
| 24 | 45605201 |
| 25 | 91210403 |
| 26 | 182420806 |
| 27 | 364841611 |
| 28 | 729683222 |
| 29 | 1459366444 |
| 30 | 2918732889 |
| 31 | 5837465777 |
| 32 | 11674931555 |
[3,5,11,22,43,87,174,348,696,1392,2784,5567,11134, 22268,44536,89073,178145,356291,712581,1425163, 2850325,5700650,11401300,22802601,45605201, 91210403,182420806,364841611,729683222,1459366444, 2918732889,5837465777,11674931555] |