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| n | a(n) |
|---|---|
| 0 | 42 |
| 1 | 129 |
| 2 | 303 |
| 3 | 651 |
| 4 | 1347 |
| 5 | 2739 |
| 6 | 5523 |
| 7 | 11091 |
| 8 | 22227 |
| 9 | 44499 |
| 10 | 89043 |
| 11 | 178131 |
| 12 | 356307 |
| 13 | 712659 |
| 14 | 1425363 |
| 15 | 2850771 |
| 16 | 5701587 |
| 17 | 11403219 |
| 18 | 22806483 |
| 19 | 45613011 |
| 20 | 91226067 |
| 21 | 182452179 |
| 22 | 364904403 |
| 23 | 729808851 |
| 24 | 1459617747 |
| 25 | 2919235539 |
| 26 | 5838471123 |
| 27 | 11676942291 |
| 28 | 23353884627 |
| 29 | 46707769299 |
[42,129,303,651,1347,2739,5523,11091,22227,44499, 89043,178131,356307,712659,1425363,2850771, 5701587,11403219,22806483,45613011,91226067, 182452179,364904403,729808851,1459617747, 2919235539,5838471123,11676942291,23353884627, 46707769299] |