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A216893 as a simple table

n a(n)
1 2
2 8
3 21
4 55
5 377
6 610
7 17711
8 121393
9 832040
10 5702887
11 19740274219868223167

[2,8,21,55,377,610,17711,121393,832040,5702887,
 19740274219868223167]

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Last modified July 24 21:32 EDT 2024. Contains 374585 sequences. (Running on oeis4.)