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A215049
as a simple table
n
a(n)
1
2
2
2
3
40
4
335
5
2498
6
20886
7
174368
8
1507722
9
13300713
[2,2,40,335,2498,20886,174368,1507722,13300713]
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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)
