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A006270
as a simple table
n
a(n)
0
1
1
3
2
72
3
439128
4
84722519069640072
5
608130213374088941214747405817720857404971722895128
[1,3,72,439128,84722519069640072, 60813021337408894121474740581772085740497172289512\ 8]
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Last modified April 25 23:59 EDT 2024. Contains 371989 sequences. (Running on oeis4.)