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A007324
as a simple table
n
a(n)
1
9
2
561
3
1729
4
1729
5
399001
6
399001
7
1857241
8
1857241
9
6189121
10
14469841
11
14469841
12
14469841
[9,561,1729,1729,399001,399001,1857241,1857241, 6189121,14469841,14469841,14469841]