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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 19 |
| 3 | 59 |
| 4 | 67 |
| 5 | 131 |
| 6 | 227 |
| 7 | 251 |
| 8 | 499 |
| 9 | 1019 |
| 10 | 1987 |
| 11 | 4091 |
| 12 | 4099 |
| 13 | 8179 |
| 14 | 32707 |
| 15 | 32771 |
| 16 | 57347 |
| 17 | 65027 |
| 18 | 65539 |
| 19 | 114691 |
| 20 | 130051 |
| 21 | 131011 |
| 22 | 131059 |
| 23 | 262139 |
| 24 | 262147 |
| 25 | 507907 |
| 26 | 1040387 |
| 27 | 1048571 |
| 28 | 2097091 |
| 29 | 4161539 |
| 30 | 8372227 |
| 31 | 8388547 |
| 32 | 14680067 |
| 33 | 16744451 |
| 34 | 33538051 |
| 35 | 33554371 |
| 36 | 67108739 |
| 37 | 67108859 |
| 38 | 133955587 |
[11,19,59,67,131,227,251,499,1019,1987,4091,4099, 8179,32707,32771,57347,65027,65539,114691,130051, 131011,131059,262139,262147,507907,1040387, 1048571,2097091,4161539,8372227,8388547,14680067, 16744451,33538051,33554371,67108739,67108859, 133955587] |