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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 25653 |
| 3 | 1612210777 |
| 4 | 157366288875709 |
| 5 | 19947450199250403501 |
| 6 | 3006271871518328730143421 |
| 7 | 512421117125922437799936404913 |
| 8 | 95761990178886923105405778950731677 |
[1,25653,1612210777,157366288875709, 19947450199250403501,3006271871518328730143421, 512421117125922437799936404913, 95761990178886923105405778950731677] |