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A194889
as a simple table
n
a(n)
1
1
2
3
3
33
4
1620
5
136080
6
17962560
7
3751608960
8
1233597237120
9
641473938397440
10
526921921428975360
[1,3,33,1620,136080,17962560,3751608960, 1233597237120,641473938397440,526921921428975360]
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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)