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A228768
as a simple table
n
a(n)
2
11
3
11
4
53
5
61
6
193
7
193
8
193
9
193
10
93836531
11
1963209431
12
14322793967831
13
14322793967831
[11,11,53,61,193,193,193,193,93836531,1963209431, 14322793967831,14322793967831]