A211086 - OEIS

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A211086 as a simple table

n	a(n)
1	1
2	16
3	960
4	229824
5	219386880
6	834532651008
7	12650446296013824
8	764188858823853957120
9	183961835921396390619045888
10	176476517080094726836047543951360

[1,16,960,229824,219386880,834532651008, 12650446296013824,764188858823853957120, 183961835921396390619045888, 176476517080094726836047543951360]