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A293993 as a simple table

n a(n)
0 1
1 1
2 3
3 6
4 16
5 35
6 98
7 242
8 690

[1,1,3,6,16,35,98,242,690]

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Last modified June 23 04:15 EDT 2021. Contains 345395 sequences. (Running on oeis4.)