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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 25653 |
| 3 | 1612210777 |
| 4 | 157366288875709 |
| 5 | 19947450199250403501 |
| 6 | 2808322218896473982264541 |
| 7 | 440641949482293338531582699793 |
| 8 | 75420658619178832623793205612642877 |
[1,25653,1612210777,157366288875709, 19947450199250403501,2808322218896473982264541, 440641949482293338531582699793, 75420658619178832623793205612642877] |