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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 57 |
| 3 | 2027 |
| 4 | 107693 |
| 5 | 7700397 |
| 6 | 687132348 |
| 7 | 71519658191 |
| 8 | 8190834795146 |
| 9 | 990354435624550 |
| 10 | 123286203872982432 |
| 11 | 15583473550178836892 |
| 12 | 1985385176761852694734 |
| 13 | 253978177065210815069458 |
[5,57,2027,107693,7700397,687132348,71519658191, 8190834795146,990354435624550,123286203872982432, 15583473550178836892,1985385176761852694734, 253978177065210815069458] |