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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 5 |
| 2 | 30 |
| 3 | 18236 |
| 4 | 2369751620679 |
| 5 | 5960531437867327674541054610203768 |
| 6 | 479047836152505670895481842190009123676957243077039693903470634823732317120870101036348 |
[2,5,30,18236,2369751620679, 5960531437867327674541054610203768, 47904783615250567089548184219000912367695724307703\ 9693903470634823732317120870101036348] |