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A066278
as a simple table
n
a(n)
1
2
2
4
3
10
4
36
5
168
6
1008
7
7056
8
56448
9
470400
10
4704000
11
51528960
12
618347520
13
7740902400
14
108372633600
[2,4,10,36,168,1008,7056,56448,470400,4704000, 51528960,618347520,7740902400,108372633600]
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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)