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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 17 |
| 3 | 65537 |
| 4 | 9632244737 |
| 5 | 20892967937 |
| 6 | 127831991297 |
| 7 | 149255504897 |
| 8 | 159667373057 |
| 9 | 351108391937 |
| 10 | 542497063937 |
| 11 | 1650957730817 |
| 12 | 2270398022657 |
| 13 | 2322380932097 |
| 14 | 2747956028417 |
| 15 | 2888694547457 |
| 16 | 3516735087617 |
| 17 | 6029264167937 |
| 18 | 6122338640897 |
| 19 | 6705696695297 |
| 20 | 11125266727937 |
[5,17,65537,9632244737,20892967937,127831991297, 149255504897,159667373057,351108391937, 542497063937,1650957730817,2270398022657, 2322380932097,2747956028417,2888694547457, 3516735087617,6029264167937,6122338640897, 6705696695297,11125266727937] |