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A339580
as a simple table
n
a(n)
1
1
2
3
3
90
4
1122660
5
19099920
6
85864770
7
26089808580
8
554688278430
9
4090932431513070
10
95405042230542330
[1,3,90,1122660,19099920,85864770,26089808580, 554688278430,4090932431513070,95405042230542330]
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Last modified August 12 10:56 EDT 2024. Contains 375092 sequences. (Running on oeis4.)