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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 13 |
| 3 | 3 |
| 4 | 29 |
| 5 | 31 |
| 6 | 251 |
| 7 | 127 |
| 8 | 509 |
| 9 | 1021 |
| 10 | 4091 |
| 11 | 4093 |
| 12 | 65519 |
| 13 | 8191 |
| 14 | 131063 |
| 15 | 262133 |
| 16 | 262139 |
| 17 | 131071 |
| 18 | 1048571 |
| 19 | 524287 |
| 20 | 8388593 |
| 21 | 4194301 |
| 22 | 67108837 |
| 23 | 16777213 |
| 24 | 67108861 |
| 25 | 1073741789 |
| 26 | 2147483587 |
| 27 | 2147483629 |
| 28 | 536870909 |
[11,13,3,29,31,251,127,509,1021,4091,4093,65519, 8191,131063,262133,262139,131071,1048571,524287, 8388593,4194301,67108837,16777213,67108861, 1073741789,2147483587,2147483629,536870909] |