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| n | a(n) |
|---|---|
| 0 | 12 |
| 1 | 23 |
| 2 | 45 |
| 3 | 89 |
| 4 | 177 |
| 5 | 353 |
| 6 | 705 |
| 7 | 1409 |
| 8 | 2817 |
| 9 | 5633 |
| 10 | 11265 |
| 11 | 22529 |
| 12 | 45057 |
| 13 | 90113 |
| 14 | 180225 |
| 15 | 360449 |
| 16 | 720897 |
| 17 | 1441793 |
| 18 | 2883585 |
| 19 | 5767169 |
| 20 | 11534337 |
| 21 | 23068673 |
| 22 | 46137345 |
| 23 | 92274689 |
| 24 | 184549377 |
| 25 | 369098753 |
| 26 | 738197505 |
| 27 | 1476395009 |
| 28 | 2952790017 |
| 29 | 5905580033 |
| 30 | 11811160065 |
[12,23,45,89,177,353,705,1409,2817,5633,11265, 22529,45057,90113,180225,360449,720897,1441793, 2883585,5767169,11534337,23068673,46137345, 92274689,184549377,369098753,738197505,1476395009, 2952790017,5905580033,11811160065] |