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A221748
as a simple table
n
a(n)
1
1
2
817
3
32129
4
3389575
5
241376639
6
19762890960
7
1529699796514
[1,817,32129,3389575,241376639,19762890960, 1529699796514]
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Last modified April 24 12:22 EDT 2024. Contains 371937 sequences. (Running on oeis4.)