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A236720 as a simple table

n a(n)
1 81
2 639
3 6879
4 127113
5 3413516
6 173486981
7 12274465993
8 2038592272997
9 393572287740663

[81,639,6879,127113,3413516,173486981,12274465993,
 2038592272997,393572287740663]

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Last modified June 12 07:43 EDT 2021. Contains 344943 sequences. (Running on oeis4.)