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A003280 as a simple table

n a(n)
0 1
1 9
2 175
3 2025
4 102235
5 1356047
6 37160123
7 6771931925
8 772428184055
9 189690563847015
10 105217453376898775
11 1548913291275244825
12 2112565685454158552975
13 1658173107161491979625 

[1,9,175,2025,102235,1356047,37160123,6771931925,
 772428184055,189690563847015,105217453376898775,
 1548913291275244825,2112565685454158552975,
 1658173107161491979625]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)