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A197963
as a simple table
n
a(n)
1
1
2
4
3
22
4
216
5
4565
6
170743
7
11661907
8
1488001671
9
356058730204
[1,4,22,216,4565,170743,11661907,1488001671, 356058730204]
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Last modified June 2 20:13 EDT 2023. Contains 363100 sequences. (Running on oeis4.)
