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| n | a(n) |
|---|---|
| 2 | 6 |
| 3 | 1230 |
| 4 | 134355076 |
| 5 | 5960467529298425 |
| 6 | 143255899980867527046714276 |
| 7 | 2621669158378151850086910541198116201940 |
| 8 | 49039857307708443467467125153076407586398190249948742656 |
[6,1230,134355076,5960467529298425, 143255899980867527046714276, 2621669158378151850086910541198116201940, 49039857307708443467467125153076407586398190249948\ 742656] |