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A268224 as a simple table

n a(n)
1 3
2 10
3 45
4 256
5 1688
6 12671
7 105743
8 969032
9 9639606

[3,10,45,256,1688,12671,105743,969032,9639606]

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Last modified May 11 12:47 EDT 2021. Contains 343791 sequences. (Running on oeis4.)