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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 17 |
| 3 | 34 |
| 4 | 68 |
| 5 | 159 |
| 6 | 257 |
| 7 | 514 |
| 8 | 1028 |
| 9 | 2063 |
| 10 | 4097 |
| 11 | 8194 |
| 12 | 16388 |
| 13 | 32831 |
| 14 | 65537 |
| 15 | 131074 |
| 16 | 262148 |
| 17 | 524303 |
| 18 | 1048577 |
| 19 | 2097154 |
| 20 | 4194308 |
| 21 | 8388639 |
| 22 | 16777217 |
| 23 | 33554434 |
| 24 | 67108868 |
| 25 | 134217743 |
| 26 | 268435457 |
| 27 | 536870914 |
| 28 | 1073741828 |
| 29 | 2147483775 |
[7,17,34,68,159,257,514,1028,2063,4097,8194,16388, 32831,65537,131074,262148,524303,1048577,2097154, 4194308,8388639,16777217,33554434,67108868, 134217743,268435457,536870914,1073741828, 2147483775] |