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A080691 as a simple table

n a(n)
1 1
2 15
3 3102
4 8790016
5 341008617408
6 181075508242067552
7 1315927389374152034113856
8 130877523274817580209987036404864
9 178135975585132088643635627145305047963624

[1,15,3102,8790016,341008617408,
 181075508242067552,1315927389374152034113856,
 130877523274817580209987036404864,
 178135975585132088643635627145305047963624]

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Last modified October 25 19:51 EDT 2021. Contains 348255 sequences. (Running on oeis4.)