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| n | a(n) |
|---|---|
| 1 | 35 |
| 2 | 62 |
| 3 | 114 |
| 4 | 216 |
| 5 | 418 |
| 6 | 820 |
| 7 | 1622 |
| 8 | 3224 |
| 9 | 6426 |
| 10 | 12828 |
| 11 | 25630 |
| 12 | 51232 |
| 13 | 102434 |
| 14 | 204836 |
| 15 | 409638 |
| 16 | 819240 |
| 17 | 1638442 |
| 18 | 3276844 |
| 19 | 6553646 |
| 20 | 13107248 |
| 21 | 26214450 |
| 22 | 52428852 |
| 23 | 104857654 |
| 24 | 209715256 |
| 25 | 419430458 |
| 26 | 838860860 |
| 27 | 1677721662 |
| 28 | 3355443264 |
[35,62,114,216,418,820,1622,3224,6426,12828,25630, 51232,102434,204836,409638,819240,1638442,3276844, 6553646,13107248,26214450,52428852,104857654, 209715256,419430458,838860860,1677721662, 3355443264] |