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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.)