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A123437
as a simple table
n
a(n)
1
1
2
2
3
4
4
11
5
33
6
146
7
848
8
6880
9
68743
10
778449
[1,2,4,11,33,146,848,6880,68743,778449]
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Last modified February 8 12:15 EST 2023. Contains 360138 sequences. (Running on oeis4.)