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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 10 |
| 3 | 29 |
| 4 | 95 |
| 5 | 289 |
| 6 | 917 |
| 7 | 2841 |
| 8 | 8921 |
| 9 | 27801 |
| 10 | 87009 |
| 11 | 271657 |
| 12 | 849313 |
| 13 | 2653273 |
| 14 | 8292465 |
| 15 | 25910729 |
| 16 | 80972065 |
| 17 | 253021369 |
| 18 | 790675217 |
| 19 | 2470747561 |
| 20 | 7720841601 |
| 21 | 24126677401 |
| 22 | 75393222129 |
| 23 | 235594969737 |
| 24 | 736207657313 |
| 25 | 2300563919993 |
| 26 | 7188999803345 |
[3,10,29,95,289,917,2841,8921,27801,87009,271657, 849313,2653273,8292465,25910729,80972065, 253021369,790675217,2470747561,7720841601, 24126677401,75393222129,235594969737,736207657313, 2300563919993,7188999803345] |