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A005808
as a simple table
n
a(n)
1
17
2
19
3
73
4
139
5
907
6
1907
7
2029
8
4801
9
5153
10
10867
11
20161
12
293831
13
1868983
[17,19,73,139,907,1907,2029,4801,5153,10867,20161, 293831,1868983]