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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 577 |
| 4 | 531971 |
| 5 | 1898408567392 |
| 6 | 6443212482412155510468645 |
| 7 | 43961896256768662882646054355495253163799257030071 |
| 8 | 2023680999625431675064719294516920278422517903588187115205751426771371281890623785352777396139437196 |
[2,6,577,531971,1898408567392, 6443212482412155510468645, 43961896256768662882646054355495253163799257030071\ , 20236809996254316750647192945169202784225179035881\ 87115205751426771371281890623785352777396139437196\ ] |