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A197961 as a simple table

n a(n)
1 1
2 4
3 22
4 186
5 6317
6 175347
7 15968369
8 2419381757
9 643839941494

[1,4,22,186,6317,175347,15968369,2419381757,
 643839941494]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)