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A123471
as a simple table
n
a(n)
1
1
2
2
3
4
4
11
5
33
6
144
7
822
8
6744
9
73147
10
1006995
[1,2,4,11,33,144,822,6744,73147,1006995]
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Last modified April 24 13:24 EDT 2024. Contains 371955 sequences. (Running on oeis4.)