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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 7 |
| 4 | 17 |
| 5 | 23 |
| 6 | 31 |
| 7 | 53 |
| 8 | 71 |
| 9 | 95 |
| 10 | 127 |
| 11 | 161 |
| 12 | 215 |
| 13 | 287 |
| 14 | 383 |
| 15 | 485 |
| 16 | 511 |
| 17 | 647 |
| 18 | 863 |
| 19 | 1151 |
| 20 | 1457 |
| 21 | 1535 |
| 22 | 1943 |
| 23 | 2047 |
| 24 | 2591 |
| 25 | 3455 |
| 26 | 4373 |
| 27 | 4607 |
| 28 | 5831 |
| 29 | 6143 |
| 30 | 7775 |
| 31 | 8191 |
| 32 | 10367 |
| 33 | 13121 |
| 34 | 13823 |
| 35 | 17495 |
| 36 | 18431 |
| 37 | 23327 |
| 38 | 24575 |
| 39 | 31103 |
| 40 | 32767 |
| 41 | 39365 |
| 42 | 41471 |
| 43 | 52487 |
| 44 | 55295 |
| 45 | 69983 |
| 46 | 73727 |
| 47 | 93311 |
| 48 | 98303 |
| 49 | 118097 |
| 50 | 124415 |
| 51 | 131071 |
| 52 | 157463 |
| 53 | 165887 |
[1,5,7,17,23,31,53,71,95,127,161,215,287,383,485, 511,647,863,1151,1457,1535,1943,2047,2591,3455, 4373,4607,5831,6143,7775,8191,10367,13121,13823, 17495,18431,23327,24575,31103,32767,39365,41471, 52487,55295,69983,73727,93311,98303,118097,124415, 131071,157463,165887] |