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A198975
as a simple table
n
a(n)
1
1
2
4
3
1835
4
53082012
5
30525244435834
6
310387893630465965693
7
55676868201599759013090066735
[1,4,1835,53082012,30525244435834, 310387893630465965693, 55676868201599759013090066735]
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Last modified April 17 17:01 EDT 2024. Contains 371765 sequences. (Running on oeis4.)