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A068183
as a simple table
n
a(n)
2
2
3
32
4
3222
5
53222
6
5332222
7
75332222
8
75332222222
9
7533332222222
10
755333322222222
[2,32,3222,53222,5332222,75332222,75332222222, 7533332222222,755333322222222]