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| n | a(n) |
|---|---|
| 0 | 6 |
| 1 | 2 |
| 2 | 3 |
| 3 | 11 |
| 4 | 253 |
| 5 | 121406 |
| 6 | 26366884520 |
| 7 | 849309519459745289215 |
| 8 | 1275274072254463235178765644812100983170793 |
| 9 | 6840927687383150447046638299623716679409134458251745775753167712124043749551513939746 |
[6,2,3,11,253,121406,26366884520, 849309519459745289215, 1275274072254463235178765644812100983170793, 68409276873831504470466382996237166794091344582517\ 45775753167712124043749551513939746] |