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A123455
as a simple table
n
a(n)
1
1
2
2
3
4
4
11
5
33
6
147
7
896
8
8682
9
131293
10
3059990
[1,2,4,11,33,147,896,8682,131293,3059990]
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Last modified May 7 09:00 EDT 2024. Contains 372300 sequences. (Running on oeis4.)