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A207156 as a simple table

n a(n)
1 1
2 4
3 22
4 216
5 3911
6 121953
7 6546321
8 615828252
9 103476283764

[1,4,22,216,3911,121953,6546321,615828252,
 103476283764]

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Last modified April 2 02:53 EDT 2023. Contains 361723 sequences. (Running on oeis4.)