A175672 - OEIS

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A175672 as a simple table

n	a(n)
1	0
2	24
3	6096
4	1548360
5	393277344
6	99890897016
7	25371894564720
8	6444361328541864
9	1636842405555068736
10	415751526649658917080
11	105599250926607809869584
12	26821793983831734047957256

[0,24,6096,1548360,393277344,99890897016, 25371894564720,6444361328541864, 1636842405555068736,415751526649658917080, 105599250926607809869584, 26821793983831734047957256]