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A028856 as a simple table

n a(n)
2 2
3 5
4 13
5 63
6 308
7 2045
8 16969
9 183216
10 2567158
11 46749427

[2,5,13,63,308,2045,16969,183216,2567158,46749427]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)