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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 27 |
| 3 | 10054 |
| 4 | 499058851840 |
| 5 | 60978122299433248924629725740007424 |
| 6 | 111234802292550535463100810323266662685051007497410845234355027801887222800563874025554401906714958888960 |
[4,27,10054,499058851840, 60978122299433248924629725740007424, 11123480229255053546310081032326666268505100749741\ 08452343550278018872228005638740255544019067149588\ 88960] |