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A198028
as a simple table
n
a(n)
1
1
2
1
3
7
4
28
5
271
6
5297
7
99050
8
3532980
9
245893069
10
22704931721
[1,1,7,28,271,5297,99050,3532980,245893069, 22704931721]
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Last modified April 25 06:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)