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A051680 as a simple table

n a(n)
1 1
2 27
3 6291
4 13589289
5 266377183929
6 47123189360124723
7 75095231825148137471259
8 1077370264330489309698453375441
9 139124702920688202983704723564457669361 

[1,27,6291,13589289,266377183929,
 47123189360124723,75095231825148137471259,
 1077370264330489309698453375441,
 139124702920688202983704723564457669361]

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)