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A156972
as a simple table
n
a(n)
1
1
2
2
3
6
4
60
5
840
6
18720
7
559440
8
22196160
9
1092631680
10
65768371200
11
4703596128000
12
393785778355200
[1,2,6,60,840,18720,559440,22196160,1092631680, 65768371200,4703596128000,393785778355200]
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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)
