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A071409 as a simple table

n a(n)
1 2
2 7
3 80
4 2692
5 -188160
6 673763328
7 53114341552128
8 11442355482580107264
9 101868843539003372580372480
10 -11188458083483956358422238173593600
11 39367352051951445285669984261580278202368000 

[2,7,80,2692,-188160,673763328,53114341552128,
 11442355482580107264,101868843539003372580372480,
 -11188458083483956358422238173593600,
 39367352051951445285669984261580278202368000]

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Last modified April 15 23:48 EDT 2024. Contains 371696 sequences. (Running on oeis4.)