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A222897
as a simple table
n
a(n)
1
2
2
5
3
8
4
251
5
1872
6
720452
7
33675352
[2,5,8,251,1872,720452,33675352]
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Last modified September 9 01:17 EDT 2024. Contains 375759 sequences. (Running on oeis4.)