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A226745
as a simple table
n
a(n)
1
2
2
2
3
2
4
58
5
440
6
18248
7
1659002
8
71997050
9
6776406070
10
2038979576678
[2,2,2,58,440,18248,1659002,71997050,6776406070, 2038979576678]
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Last modified April 19 14:04 EDT 2024. Contains 371792 sequences. (Running on oeis4.)