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A092024
as a simple table
n
a(n)
1
2
2
6
3
354
4
210
5
43860
6
463980
7
189583590
8
6958972020
9
200007607800
10
60958204112190
11
3337686588286050
[2,6,354,210,43860,463980,189583590,6958972020, 200007607800,60958204112190,3337686588286050]