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A198058 as a simple table

n a(n)
1 1
2 4
3 25
4 239
5 9456
6 423328
7 55900189
8 15136412831
9 8243506243585

[1,4,25,239,9456,423328,55900189,15136412831,
 8243506243585]

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Last modified August 26 15:23 EDT 2024. Contains 375457 sequences. (Running on oeis4.)