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A350019 as a simple table

n a(n)
1 1
2 1
3 1
4 2
5 2
6 7
7 33
8 557
9 26511
10 3908091
11 1867909542

[1,1,1,2,2,7,33,557,26511,3908091,1867909542]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)