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A221109 as a simple table

n a(n)
1 0
2 0
3 8
4 3706
5 11678172
6 326416281638
7 82293038769560932

[0,0,8,3706,11678172,326416281638,
 82293038769560932]

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Last modified April 16 19:21 EDT 2024. Contains 371754 sequences. (Running on oeis4.)