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A197664
as a simple table
n
a(n)
1
1
2
4
3
10
4
47
5
489
6
6519
7
146513
8
6298384
9
434627282
[1,4,10,47,489,6519,146513,6298384,434627282]
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Last modified May 5 22:20 EDT 2024. Contains 372290 sequences. (Running on oeis4.)