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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 16 |
| 3 | 324 |
| 4 | 23773 |
| 5 | 5297294 |
| 6 | 3599858930 |
| 7 | 7910979963313 |
| 8 | 53854022070851701 |
| 9 | 1148683749680759012469 |
| 10 | 77042220735586114776631734 |
| 11 | 16170289409470789812334507667662 |
[2,16,324,23773,5297294,3599858930,7910979963313, 53854022070851701,1148683749680759012469, 77042220735586114776631734, 16170289409470789812334507667662] |