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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 217 |
| 4 | 331781 |
| 5 | 24883200001 |
| 6 | 139314069504000221 |
| 7 | 82606411253903523840000001 |
| 8 | 6984964247141514123629140377600331781 |
| 9 | 109110688415571316480344899355894085582848000000217 |
| 10 | 395940866122425193243875570782668457763038822400000000024883200005 |
[1,5,217,331781,24883200001,139314069504000221, 82606411253903523840000001, 6984964247141514123629140377600331781, 10911068841557131648034489935589408558284800000021\ 7, 39594086612242519324387557078266845776303882240000\ 0000024883200005] |