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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 23 |
| 3 | 67 |
| 4 | 179 |
| 5 | 1109 |
| 6 | 17427659 |
| 7 | 1586875049 |
| 8 | 7021048691 |
| 9 | 1104052140838673681 |
| 10 | 80729882077782801781 |
| 11 | 49474191359283212247841 |
| 12 | 152695677551802424534973144788818335406948326813 |
| 13 | 50258816309715893690860594601285860231033059311672877749 |
[7,23,67,179,1109,17427659,1586875049,7021048691, 1104052140838673681,80729882077782801781, 49474191359283212247841, 152695677551802424534973144788818335406948326813, 50258816309715893690860594601285860231033059311672\ 877749] |