A001322 - OEIS

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A001322 as a simple table

n	a(n)
2	12
3	10206
4	2148007936
5	149011627197265625
6	5157212399256236248406163456
7	128461788760529439274299006884487791149204
8	3138550867693340381917894873863110037264541113810027544576

[12,10206,2148007936,149011627197265625, 5157212399256236248406163456, 128461788760529439274299006884487791149204, 31385508676933403819178948738631100372645411138100\ 27544576]