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A072408 as a simple table

n a(n)
1 2
2 81
3 512
4 2401
5 17210368
6 34012224
7 612220032
8 20047612231936
9 3904305912313344
10 13744803133596058624
11 8007313507497959524352
12 2518170116818978404827136
13 81920000000000000

[2,81,512,2401,17210368,34012224,612220032,
 20047612231936,3904305912313344,
 13744803133596058624,8007313507497959524352,
 2518170116818978404827136,81920000000000000]

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Last modified June 14 00:02 EDT 2021. Contains 345016 sequences. (Running on oeis4.)