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A011993
as a simple table
n
a(n)
2
1
3
3
4
4
5
8
6
47
7
421
8
1550
9
13316
10
212968
[1,3,4,8,47,421,1550,13316,212968]
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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)