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| n | a(n) |
|---|---|
| 0 | 13 |
| 1 | 8191 |
| 2 | 22369621 |
| 3 | 78536544841 |
| 4 | 300239975158033 |
| 5 | 1190112520884487201 |
| 6 | 4797324681010433232961 |
| 7 | 19495118728903626376364161 |
| 8 | 79538861190790864407636279553 |
| 9 | 325153619321163373997995856232961 |
| 10 | 1330527338889299954891005307651097601 |
[13,8191,22369621,78536544841,300239975158033, 1190112520884487201,4797324681010433232961, 19495118728903626376364161, 79538861190790864407636279553, 325153619321163373997995856232961, 1330527338889299954891005307651097601] |