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A221407
as a simple table
n
a(n)
1
8
2
328
3
12668
4
492102
5
18852560
6
722442370
7
27665242848
8
1058237377670
[8,328,12668,492102,18852560,722442370, 27665242848,1058237377670]
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Last modified August 18 12:12 EDT 2024. Contains 375268 sequences. (Running on oeis4.)