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A140355 as a simple table

n a(n)
1 1
2 1
3 2
4 12
5 12
6 720
7 720
8 160030080000
9 160030080000
10 160030080000
11 160030080000
12 19363639680000
13 19363639680000
14 106124746688553188944907919360000000000

[1,1,2,12,12,720,720,160030080000,160030080000,
 160030080000,160030080000,19363639680000,
 19363639680000,
 106124746688553188944907919360000000000]

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Last modified May 28 22:08 EDT 2022. Contains 354122 sequences. (Running on oeis4.)