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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2097153 |
| 2 | 10462450355 |
| 3 | 4408506864307 |
| 4 | 481235204714229 |
| 5 | 22413787798580981 |
| 6 | 580482814723661863 |
| 7 | 9781917900938059815 |
| 8 | 118642361168367135017 |
| 9 | 1109418989131512359209 |
| 10 | 8400249944258160101211 |
| 11 | 53405369853627861567323 |
[1,2097153,10462450355,4408506864307, 481235204714229,22413787798580981, 580482814723661863,9781917900938059815, 118642361168367135017,1109418989131512359209, 8400249944258160101211,53405369853627861567323] |