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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 April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)