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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 13 |
| 5 | 17 |
| 6 | 57 |
| 7 | 65 |
| 8 | 209 |
| 9 | 321 |
| 10 | 801 |
| 11 | 1025 |
| 12 | 3905 |
| 13 | 4097 |
| 14 | 12417 |
| 15 | 21505 |
| 16 | 53505 |
| 17 | 65537 |
| 18 | 233985 |
| 19 | 262145 |
| 20 | 885761 |
| 21 | 1327105 |
| 22 | 3147777 |
| 23 | 4194305 |
| 24 | 16060417 |
| 25 | 17825793 |
| 26 | 50339841 |
| 27 | 84148225 |
| 28 | 220217345 |
| 29 | 268435457 |
| 30 | 990937089 |
| 31 | 1073741825 |
| 32 | 3506503681 |
[1,3,5,13,17,57,65,209,321,801,1025,3905,4097, 12417,21505,53505,65537,233985,262145,885761, 1327105,3147777,4194305,16060417,17825793, 50339841,84148225,220217345,268435457,990937089, 1073741825,3506503681] |