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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 13 |
| 3 | 267 |
| 4 | 309231 |
| 5 | 192266110923 |
| 6 | 71602226677398315897282 |
| 7 | 5621605794500375507385049456541406652996813582 |
| 8 | 43265533189052308911169112679173379961304461697459275230416057481782321509232712970784007548 |
[3,13,267,309231,192266110923, 71602226677398315897282, 5621605794500375507385049456541406652996813582, 43265533189052308911169112679173379961304461697459\ 275230416057481782321509232712970784007548] |