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A191975
as a simple table
n
a(n)
1
1
2
2
3
6
4
42
5
330
6
235290
7
310800
8
1863851053628494074457830
[1,2,6,42,330,235290,310800, 1863851053628494074457830]
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Last modified April 18 10:01 EDT 2024. Contains 371779 sequences. (Running on oeis4.)
