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A156489
as a simple table
n
a(n)
2
2
3
12
4
210
5
3758
6
329252
7
119245260
8
275227614408
9
2100173410422072
[2,12,210,3758,329252,119245260,275227614408, 2100173410422072]
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Last modified April 18 03:01 EDT 2024. Contains 371767 sequences. (Running on oeis4.)
