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| n | a(n) |
|---|---|
| 1 | 181 |
| 2 | 3567 |
| 3 | 70669 |
| 4 | 1399783 |
| 5 | 27726581 |
| 6 | 549201567 |
| 7 | 10878455069 |
| 8 | 215477871383 |
| 9 | 4268134837381 |
| 10 | 84542207852367 |
| 11 | 1674592106593069 |
| 12 | 33169925350906183 |
| 13 | 657022055372706581 |
| 14 | 13014137857695923967 |
| 15 | 257780972182185860669 |
[181,3567,70669,1399783,27726581,549201567, 10878455069,215477871383,4268134837381, 84542207852367,1674592106593069,33169925350906183, 657022055372706581,13014137857695923967, 257780972182185860669] |