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| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 113 |
| 3 | 3628789 |
| 4 | 39916787 |
| 5 | 479001587 |
| 6 | 87178291183 |
| 7 | 8841761993739701954543615999969 |
| 8 | 4274883284060025564298013753389399649690343788366813724671999999999941 |
[19,113,3628789,39916787,479001587,87178291183, 8841761993739701954543615999969, 42748832840600255642980137533893996496903437883668\ 13724671999999999941] |