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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 2039 |
| 3 | 6143 |
| 4 | 522239 |
| 5 | 33546239 |
| 6 | 260046847 |
| 7 | 16911433727 |
| 8 | 32212254719 |
| 9 | 2196875771903 |
| 10 | 140735340871679 |
| 11 | 2251799813685119 |
| 12 | 9005000231485439 |
| 13 | 576460752169205759 |
| 14 | 36893488147410714623 |
| 15 | 147573811852188057599 |
| 16 | 9444732965739282038783 |
| 17 | 154742504910672534362390399 |
[2,2039,6143,522239,33546239,260046847, 16911433727,32212254719,2196875771903, 140735340871679,2251799813685119,9005000231485439, 576460752169205759,36893488147410714623, 147573811852188057599,9444732965739282038783, 154742504910672534362390399] |